For most people, it is only the beginning to mention cars from 4S shops, and the cost of car maintenance in the later period is the big deal. So what I said today can help us save some money in the future. Next, let’s see if its highlights can attract you with Xiaobian.

Let’s take a look at the appearance of Xingyue L. The front design of Xingyue L is very fashionable and looks simple. Coupled with stylish headlights, it has a great visual impact. The car is equipped with LED daytime running lights, automatic opening and closing, adaptive far and near light, delayed closing and so on. Come to the side of the car, the car body size is 4795MM*1895MM*1689MM, the car uses exquisite lines, the side of the car gives people a very sharp feeling, with large-size thick-walled tires, giving people a very elegant feeling. Looking back, the rear of the car looks very cool, and the taillights give people a very fashionable and sporty feeling. Coupled with the unique exhaust pipe, the overall shape is still very attractive.

Coming into the car of Xingyue L, the interior of Xingyue L presents a fashionable and sporty design style, which reflects the sense of design. The steering wheel of the car is eye-catching, made of leather and dignified. Take a look at the central control. The car is decorated with a sharp touch-sensitive LCD central control screen, which makes the interior style impressive and meets the aesthetic standards of most consumers. Finally, let’s look at the dashboard and seats. The dashboard of this car presents a fashionable design style, which is very eye-catching. The car adopts leather seats, which are wrapped in place, exquisite in materials and comfortable to ride.

Equipped with car networking, driving mode selection, remote control key, Bluetooth key, UWB digital key, rear wiper, interior atmosphere light and other configurations, it has rich functions and greatly improves its convenience.

This car has been introduced almost before, and I believe many users who buy a car have taken a fancy to its comfort and practicality. You must also have a look at this car, which will definitely bring you unexpected surprises.

According to the official report of Chang ‘an, the second generation of Chang ‘an Yidong was officially listed on March 27th, 2018, with the pre-sale price of 80,000-110,000.

In appearance, the front face of the new car is very similar to that of Ruicheng CC. The large-area front air intake grille with sharp headlights also brings high recognition. The overall lines are very smooth and stretched, with a good fashion atmosphere. This style front face will also become the future family-style design language of Changan’s products. The tail shape is also rich in layers, and the duck-tail spoiler, with black decorative pieces and chrome trim around the back, is very sporty.

In terms of size, the length/width/height of the new car is 4710×1820×1490mm (including shark fin antenna 1505mm), and the wheelbase is 2700mm, which is 90mm and 40mm higher than the current model in terms of length and wheelbase respectively, which is basically the same as the direct competitor-Emgrand GL.

The interior part also adopts brand-new family modeling elements, the lines of the center console are smooth, and the overall design style is quite similar to that of Ruicheng CC released earlier. The new Yidong interior adopts a two-color design, with a large area of silver decorative board, black piano paint decorative board and soft material with imitation stitching design, which has a good texture as a whole. In addition, the new car is equipped with a 10.25-inch LCD screen with a high-definition resolution of 1920*720, which integrates Changan inCall 3.0 intelligent car interconnection system, and has the functions of reversing images and monitoring the right blind spot.

In terms of power, the new car only provided a 1.6L naturally aspirated engine code-named JL478QEN, with in-cylinder direct injection technology, with a maximum power of 128 HP, and the parameters are consistent with the current models. In the transmission system, two different gearboxes, 5-speed manual and 6-speed automatic, are matched with the engine.

On the evening of December 27, the Long March 5 remote three carrier rocket was successfully launched. Guo Wenbin/photo

　　Qian Xuesen, known as the father of China Aerospace, once said: If scientific experiments can be successful every time, then why experiment? After setbacks and failures, we will become smarter.

　　The "Phoenix Nirvana" trip of the Long March 5 is the best example at present.

　　Two years ago, the second launch of the Long March 5 was defeated. This news hung over the hearts of Chinese people like a haze, and once caused doubts. Today, the largest rocket in China has been reborn for more than 900 days, and it has gone out again.

　　On December 27th, the Long March 5 started its third flight at Wenchang Space Launch Site, accompanied by a roar that shook the mountains. A dazzling flame surrounded the big rocket and flew out of the sky. In the end, the mission was declared successful, and this big rocket was dormant for two years, and finally it was proud!

　　Behind the soaring, it can be described as "twists and turns". In the words of Long Lehao, academician of China Academy of Engineering and chief designer of Long March series rockets of the First Academy of China Aerospace Science and Technology Corporation, "Failure is almost success, and success is almost failure" — — Over the past two years, more than 900 days and nights, China astronauts dare not take it lightly every moment.

　　Soul-stirring 2 hours and 43 minutes

　　Long March 5 is a rocket destined to be extraordinary from birth, which has entrusted too many people’s dreams and long-cherished wishes. For a long time, when it comes to the development of a certain technology or a certain field in China, people have become accustomed to using "big but not strong" to describe it. But aerospace is breaking this statement, and the first punch to break this statement is the Long March 5 — — It is equivalent to the admission ticket of a "space power". Its development difficulty can be imagined.

　　As early as 1986, the demonstration of a new generation of launch vehicles was carried out in China. Since the mid-1990s, the research on a new generation of rocket engines has been put on the agenda. In 2016, a new generation of big rockets developed after 30 years of demonstration — — The first flight of Long March 5 was successful, which attracted much attention.

　　However, behind the success of the first flight, there was also an episode of "almost failure".

　　Hu Xudong was the commander of the first flight mission 01 of the Long March 5. He still remembers that it was November 3, 2016, and the launch time was postponed from 18: 00 to 20: 43. In the meantime, it experienced six suffocating time resets, and even faced the test that the launch mission was forced to cancel.

　　People who watched the launch thus remembered the special moment of "near misses" and gained a somewhat more intuitive understanding of this rocket, which kicked off the era of China Grand Carrier.

　　When the time was set back to 17: 30 on the same day, the atmosphere in the test hall suddenly became tense, and hundreds of scientific and technological personnel looked at the big screen together — — The rocket "has a fever" because the primary circulation precooling pump of the rocket can’t be started normally. At the moment, the temperature displayed on the big screen is 238K, which is much higher than the take-off standard of 110K … …

　　According to Hu Xudong’s recollection, at this time, the mission headquarters decided that if the pre-cooling effect of the engine could not meet the launch conditions by 19: 30, the propellant leakage procedure would be started and the launch mission would be cancelled.

　　At 19: 28, there were only two minutes left from the "bottom line", the engine temperature dropped to a predetermined value, and the rocket successfully "cooled down".

　　"Set the ignition time to 20: 40." Hu Xudong exhaled a sigh of relief greatly. However, even at the last minute before the launch, emergencies have occurred again and again.

　　At 20: 40, only one minute left before the final launch, Hu Xudong just issued the password of "1 minute preparation", and suddenly heard Wei Kang, the commander of the control system, issue "the most awesome password in China’s space history": "01, stop launching!"

　　"What’s the matter?"

　　At this moment, Hu Xudong involuntarily stood up and blurted out 1.

　　Ten seconds before the launch, Hu Xudong began to count down, and suddenly he received a request from Wei Kang "Please wait a moment".

　　"Stop the launch!" Hu Xudong stopped emission process, and once again organized the troubleshooting. The problem was finally solved.

　　The "ignition" password was finally issued and the rocket took off.

　　Behind the cheers, astronauts including Hu Xudong began to sort out and analyze the launch data, and they had to face 630,000 original data — — These are related to whether China Rocket can still "turn the corner" next time.

　　Guess the beginning but not the ending.

　　Long Lehao was on the scene for the first two launch missions of Long March 5. One of his obvious feelings is that although the first launch mission was successful, the "stumbling" three hours before takeoff seems to be more touching. He said: "This is inevitable. After all, this is a brand-new rocket and the situation is too complicated."

　　Accordingly, the second launch, for many people at the scene, "was originally very smooth." "Before taking off, it was not as thrilling as the Long March 5 Yaoyi (the first flight mission, reporter’s note, the same below)." Long Lehao said that the launch site of Yaoer was "much calmer" and "much better" in the first few minutes.

　　At that time, he was still thinking, "This may be the first tortuous experience, exposing some problems, and then doing a lot of improvement work, having experience and a relatively stable mentality."

　　Indeed, after the Long March 5 took off from Wenchang Space Launch Site for the second time, everything was normal in the first few minutes. But after flying for more than 300 seconds, the problem appeared.

　　"All of a sudden, the flight curve of [Long March 5] is not quite right … …” In the test hall of Wenchang Space Launch Site, Long Lehao saw from the big screen that the curve was not going up in their predetermined direction, but was "falling" down.

　　His mind is tight: the flight curve falls, which means that the rocket is gradually losing thrust. If the thrust is not enough, the rocket will have no acceleration and will not be able to overcome the gravity field.

　　"At that time, I had a presentiment that ‘ It’s over ’ This launch is going to fail … …” Long Lehao said.

　　The measuring hall was silent.

　　A monitoring team member at the scene told reporters that their hearts, like the flight curve on the big screen, "kept falling", and many people silently shed tears.

　　That night, Xinhua News Agency released the news of mission failure.

　　"This result is what no one wants to see." Long Lehao said that he soon told himself that the failure of scientific experiments was inevitable. What we need to do now is how to find out the cause of the failure as soon as possible, take measures, try to go around as soon as possible, and prove once again that our rocket is trustworthy with practical actions.

　　That night, when Long Lehao left the test hall, he didn’t have much communication with the space junior on the spot. But he believes that these young astronauts have the ability to withstand the pressure. "Now it does seem that they are not overwhelmed by difficulties — — Get down and still stand up! " Long Lehao said.

　　What’s the problem with the engine again?

　　On April 16, 2018, the National Space Administration released the investigation on the failure of the Long March 5 remote rocket, which mentioned that the Long March 5 remote rocket suddenly failed when it flew to 346 seconds.

　　The cause of the failure is that the turbine exhaust device of the first unit of the core-stage liquid hydrogen and liquid oxygen engine is abnormal in the local structure under the complex mechanical and thermal environment, and the engine thrust drops sharply instantly, resulting in the failure of the launch mission.

　　Engine is also an engine. Yes, this word, which once stung the Chinese people’s key technology in the aviation field, has become a stumbling block in the aerospace field this time.

　　A big rocket is naturally inseparable from a big thrust, and a big thrust is inseparable from the development motivation. Before the Long March 5, the maximum thrust of a single rocket engine in active service in China was only about 70 tons, so it was "inadequate" to launch a very large spacecraft.

　　A new type of high thrust engine came into being. According to Zhou Limin, secretary of the Party Committee of the Sixth Academy of China Aerospace Science and Technology Corporation, after 15 years of unremitting research, eight newly developed 120-ton liquid oxygen kerosene engines were assembled on the four boosters of the Long March 5, and four newly developed hydrogen-oxygen engines were assembled on the first-class and second-class rockets.

　　He has an image saying that developing an engine is as difficult as climbing Mount Everest. "Some foreign experts say that even if we design it, we can’t make it." Among them, the hydrogen-oxygen engine that failed in the remote second mission is even more difficult.

　　Zhou Limin still remembers that in the face of brand-new engines, the research team began to tackle scientific and technological problems day and night, and dozens of new materials and more than 100 new processes were overcome one by one. However, the starting of the engine has become the biggest obstacle.

　　He said that in the starting stage, the whole engine is in an unstable dynamic process, because the speed changes from a static state to tens of thousands of revolutions, and the temperature changes from a low temperature state to a high temperature state. Our control sequence is controlled in milliseconds, and any action that is not well coordinated and fails to achieve the expected result may lead to failure.

　　At first, the development team was hit hard. After the prototype of the engine used in the first flight of Long March 5 was developed, its test results failed four times in a row: two starting explosions and two burning gas systems.

　　Zhou Limin said that these have dealt a great blow to the confidence of the entire research and development team and design team. "Many people dream of the explosion scene in their dreams, and they can’t eat or sleep well."

　　Find out the "devil" and destroy the "enemy"

　　And these are just the "pains" that China astronauts encountered in the engine development stage. After the failure of the Long March 5 Tele-2 mission, the pressure faced by these people became even greater, and they even called the faulty engine problem "the devil".

　　A test team member of the Sixth Academy of China Aerospace Science and Technology Corporation told the reporter that in order to find out the "devil" and destroy the "enemy", the development team has suffered unprecedented hardships, hardships, twists and turns and doubts in the past two years. The experience of tempering, struggling, struggling and tackling key problems is also rare in the history of development. Especially those "demons" who are hidden deep, the tension and complexity of the battle are unprecedented.

　　“‘ Devil ’ It pops up from time to time, blinding the development team’s sight, and even pushing them into the endless abyss of opaque. However, the development team was not intimidated by the darkness and was not defeated. " Zhou Limin said.

　　According to the statistics of the Sixth Academy of China Aerospace Science and Technology Corporation, in the second and third quarters of 2019 alone, the development teams of 11 hydrogen-oxygen engines in Beijing of the Academy worked overtime for 23,000 hours, and finally found out the "devil" hidden in the engine and eliminated the "enemy" who was recalcitrant, eliminating hidden dangers and eliminating faults.

　　Li Dong, the chief designer of the Long March 5 rocket, told the reporter that after the failure of the Long March 5 rocket, after more than 100 days of troubleshooting and positioning, and more than 180 days of experimental verification, the reason for the failure was finally confirmed. After that, according to the conclusion of fault investigation, the development team improved the design of the first-stage hydrogen-oxygen engine, and adopted corresponding improvement measures from the aspects of structure, materials and technology, which improved the adaptability to the flight environment.

　　The cause of the failure was found, identified and improved. Everything seems so smooth.

　　However, new problems have come again.

　　The process of returning to zero is full of twists and turns

　　On November 30, 2018, the improved core-stage hydrogen-oxygen engine had problems during the long-distance test run.

　　Li Dong told reporters that this time the astronauts responded faster. According to the cause of the failure, the development team improved the local weak links of the engine and improved the dynamic strength margin of the structure.

　　On March 29, 2019, the zeroing work and improvement verification of engine test failure were all completed — — The two long-distance test runs passed successfully, and the second problem was solved in this way.

　　But soon, they ushered in the third "encounter."

　　On April 4, 2019, when the final assembly of the Long March 5 remote three rocket entered the final stage, an "abnormal vibration frequency" appeared in the process of analyzing the test data of a core-stage hydrogen-oxygen engine used for subsequent tasks.

　　It can be described as twists and turns, once again verifying that sentence: the road to scientific exploration has never been smooth.

　　"Without a trace of doubt!" Li Dong said that the developers followed the trail and found the crux of the problem — — The local structure of the engine is very sensitive to the complex mechanical and thermal environment, and it is easy to cause resonance. Once excited, it is not easy to decay.

　　In July 2019, the developers completed the structural improvement of the engine and completed more than a dozen large-scale ground tests.

　　At this point, the engine problem that has plagued the Long March 5 for more than two years has finally been investigated.

　　According to the statistics of the First Academy of China Aerospace Science and Technology Corporation, the Long March 5 was defeated by Yaoer on July 2, 2017 and successfully launched by Yaosan on December 27, 2019, which lasted for 908 days and carried out more than 40 key technical tests.

　　After 908 days and nights, I got up again after countless falls. And the biggest "hard bone" — — The hydrogen-oxygen engine has also completed the phoenix bath fire and nirvana rebirth in more than two years.

　　According to Long Lehao, more than 900 days, such an interval — — It is a long time in the history of the Long March rocket to go beyond the period of the follow-up flight after the mission fails. In his impression, there is not even a "return to zero" at such a long interval.

　　"We certainly hope that the interval will be shorter, but scientific research cannot change with subjective wishes." Long Lehao said that the failure of the Long March 5 rocket was due to the failure of a certain engine component under the interaction of complex mechanical and thermal environment — — This problem is deeply hidden, and it does not appear in most cases, but only occasionally. However, once it appears, it is a "disastrous result".

　　In his view, this "zeroing" finally caught this mischievous "devil", although it took a long time, it was worth it.

　　"We’re all suffocating."

　　In fact, it takes more than a few teams to find out the "devil" and "rebuild" the engine.

　　Yan Yong, deputy director of Beijing No.11 Institute of the Sixth Academy of China Aerospace Science and Technology Corporation, told the reporter that the failure to launch the Long March V Remote II rocket pushed the liquid power industry with the reputation of "golden power" to the forefront, and the failure of the first-class high-thrust hydrogen-oxygen rocket engine put the engine development team under tremendous pressure and test. With the help of the strength of the Group and the Sixth Hospital, the Institute has used all effective resources to carry out the zeroing work — — It can be said that this is a "national alliance" to tackle key technical problems.

　　"It’s the first time I’ve seen so many academicians get together!" Lv Wei, the quality supervisor of 11 universities in Beijing, said that he was most impressed by the evaluation. Twenty-five academicians and five university professors came to the site as invited experts to listen to the engine development work and put forward opinions and suggestions. Nearly 60 leading experts in the system also participated in the exchange and discussion.

　　In fact, after the failure of the mission two years ago, many people are also eager to try, looking forward to returning to the "battlefield" and showing their talents.

　　"If setbacks obscure the light of the road ahead, then use the unrepentant heart to light the fire at night!" Chen Jiwei, commander of the launching station system at Wenchang Space Launch Site, told the reporter that there was no frustration and discouragement, and everyone held their breath. All systems and posts rallied from scratch and immediately put themselves into the preparations for the rocket’s go-around.

　　Deduct the process again and again, anticipate and recall one by one, and operate the exercise again and again. The operation of the air compressor of a system in the station is not very stable, and the equipment manufacturer has repeatedly made dozens of improvement tests, but the problem still exists.

　　Many people have advised Chen Jiwei, "it’s not a restrictive factor, it’s almost enough." However, his answer is adamant. "The factors that affect the task must be solved without compromise!"

　　Today, the Long March V has finally won this "turn-over battle", and it has become the most iconic task of China Aerospace in 2019. This is not only because it determines the implementation of major engineering tasks such as the follow-up Chang ‘e V, manned space station and the first Mars exploration, but also because it presents the process of scientific experiments from failure to success to the public in such an intuitive way, which makes people feel moved and amazed.

　　In addition to Qian Xuesen’s sentence, Albert Einstein also had a "golden sentence" that was regarded as a standard by the scientific community. The general idea is that it is not a bad thing for a person to take detours and make mistakes on the road of scientific exploration, and it is not a shame. It is necessary to bravely admit and correct mistakes in practice.

　　Long March 5 did it. China astronauts did it.

　　China Youth Daily China Youth Network reporter Qiu Chenhui

On September 25, 2024, the second generation was officially launched. The new car launched three models, priced from 199,900 yuan to 229,900 yuan. The second generation Haval H9 was built on a tank platform and was positioned as a medium and large hard SUV, equipped with a 2.0T engine, body, and powerful four-wheel drive capability.

The listing of Haval H9 launched a total of three models, namely the exploration version, the expansion version and the extreme version, priced at 199,900 yuan, 215,900 yuan and 229,900 yuan respectively. Compared with the pre-sale price, the price of the new car has been reduced by 6,000 yuan, showing Great Wall Motor’s sincerity to the market and feedback to consumers. In addition, the factory also provided a replacement subsidy policy. The replacement subsidy for the old H9 model is as high as 20,000 yuan, and the replacement subsidy for other models is also 15,000 yuan, which further reduces the threshold for consumers to buy cars.

As a new generation model, the second-generation Haval H9 has been greatly upgraded in appearance, interior and power performance. The new car adopts the popular "square box" design, showing a tough and retro visual effect. The front grille is composed of four thick chrome-plated trims, and the center is inlaid with the "HAVAL" letter logo. With the retro-style square headlight set and round LED daytime running lights, the overall design is both rough and exquisite. The side of the body continues the body structure, and the straight waist line runs through the whole body, showing a slender and tough posture. At the rear of the car, the new car adopts an external spare tire and a longitudinal distribution of tail light sets. The tailgate is a side-opening design, and the overall shape complements the tough style of the body.

In terms of interior, the second-generation Haval H9 has also undergone a comprehensive renovation. The interior of the new car adopts a new design, and the layout is rough without losing the sense of technology. Equipped with a new steering wheel and a 14.6-inch floating center control screen, it improves the visual effect and operation convenience in the car. The sub-dashboard position adopts the same shift lever design as other models, and there are physical buttons and knobs around it, which is convenient for the driver to operate when off-road. The seat layout is available in 5-seat and 7-seat versions for consumers to choose from, and it is equipped with a panoramic sunroof, which further enhances the comfort and sense of space in the ride.

Off-road, the new car approach angle of 31 degrees, departure angle of 26 degrees, wading depth of 800mm, ground clearance of 224mm, can climb 45 degrees slope. Equipped with 7 driving modes such as standard, sports, economy, snow, mud, sand, 4L, etc., support tank turn-around, low-speed off-road cruise, transparent chassis and other functions. Torque can be enlarged by 2.64 times in low-speed four-wheel drive mode, and torque capacity is increased from 1200N · m to 1900N · m. The application ratio of high-strength steel in the body skeleton is 83%, which ensures the torsional stiffness of the body.

In terms of power, the new car is currently equipped with a 2.0T gasoline engine with a maximum power of 165 kilowatts, a peak torque of 385 Nm, and an 8-speed automatic transmission. The powertrain not only guarantees the vehicle’s strong power output, but also provides a smoother driving experience. In the future, Great Wall Motors also plans to launch models equipped with a 2.4T diesel engine to meet the needs of different consumers.

Haval H9, as the flagship SUV model of Great Wall Motor, has won the love and recognition of consumers with its excellent off-road performance, comfortable space experience and affordable price. The second-generation Haval H9 listed this time has been fully upgraded in appearance, interior and power performance. Can Haval H9 continue its brilliance in the 200,000-level market? We will wait and see!

　　In recent years, cars have become a necessity in every family life, so the role of cars in family life has become more and more important. It should not only undertake the needs of families, but also undertake the role of business socialization. In this case, it is very necessary to choose a car with large space and high intelligence. For this reason, new energy and traditional fuel vehicles have joined the market scramble. Among them, the outstanding representative of new energy is no exception. After the new M7 was listed on September 12, the Ministry of Industry and Information Technology disclosed the information of the M9, which means that this flagship model positioned as a full-size SUV will be listed soon. This car claims to be the best SUV within 10 million yuan, and it is said that it can directly challenge Maibakh GLS, BMW X7 and Land Rover Range Rover, and can fully crush the ideal L9.

　　Domineering and elegant, asking M9 is more fashionable.

　　Although different people have different opinions on the design of the appearance, it can be seen from the declaration of this exposure that compared with other models, the front face of the M9 in Wenjie adopts a fully enclosed design style, and it is also equipped with Huawei’s million-pixel smart headlights, with a penetrating light group, which enhances the recognition and shows a full sense of technology. Compared with other models, the face value of the M9 is higher.

　　In terms of face value creation, the world M9 is at the forefront of fashion. The new car of the same brand, Wenjie New M7, does not fall in the wind. Wenjie New M7 offers five body colors, namely, gold-plated black, deep space gray, pine frost green, azure blue and ice crystal silver, and the main appearance colors are ice crystal silver and azure blue. The front face is full of domineering, and the slender body perfectly harmonizes fortitude and elegance, handsome and elegant.

　　Compared with the configuration, the M9 has more temperature.

　　From the aspect of configuration, the configuration of these models is indeed slightly inferior to that of the M9. When it comes to traditional fuel flagship models such as Maibakh GLS and BMW X7, they are basically equipped with more conventional configurations such as fatigue reminder, anti-lock braking, LED daytime running lights, brake assist, lane departure warning and 360-degree parking image. Compared with the new energy star player such as Ideal L9, the advantages displayed by M9 in the world are also obvious. Backed by Huawei, Wenjie M9 is equipped with ADS 2.0 advanced intelligent driver and HarmonyOS 4.0 cockpit, which will arm the intelligence to the extreme, especially the equipped Xiaoyi intelligent assistant, who knows more about cars and you. Even if you interrupt your speech, it can accurately obtain your needs and provide accurate services. Barrier-free man-machine communication will allow drivers and passengers to enjoy an unprecedented ride experience.

　　It is worth mentioning that the HarmonyOS Intelligent Cockpit System is also standard on the new M7, except that the new M7 adopts HarmonyOS Intelligent Cockpit 3.0, and the super desktop brings more mobile phone applications, and the mobile phone "touches" can realize the continuous circulation of applications such as drama and games. In addition, HUAWEI MagLink in the back row has developed a new way to play space scenes. Huawei tablets can be hung and connected immediately, realizing multi-device linkage. The smart cockpit changes into a personal workshop, a multi-person conference room and a children’s study, and the magic space is flexibly switched to create a "mobile whole house intelligence".

　　Compared with space, the M9 is more spacious and comfortable.

　　Finally, let’s take a look at the spatial comparison of these cars. Although these cars are all full-size SUVs, the size design is still different. Specifically, Maibakh GLS has a length, width and height of 5210/2030/1838mm and a wheelbase of 3135mm, while BMW X7 has a length, width and height of 5170/2000mm/1835mm and a wheelbase of 3105mm, and Land Rover Range Rover has a length, width and height of 5252/2047/1870mm and a wheelbase of 3197mm, respectively. Comparatively speaking, the car body size of the car body of the car body M9 is 5230mm, the car width is 1999mm, the car height is 1800mm, and the wheelbase is 3110 mm. Compared with its competitors, it is at the leading level, with more momentum and more comfortable riding space. The space of M9 in the world is shown in these models, so it really should be "far ahead".

　　Also known as "far ahead" is the new M7, which is superior to its peers in terms of space building. The body size is 5020mm×1945mm×1760mm, the effective space inside the car reaches 3338mm, and the "occupancy rate" is 66.3% ahead of its peers. Through ingenious design, the comfort of people inside the car is improved. It can be said that the listing of the new M7 will redefine the medium and large SUV.

　　At the new product launch conference of Huawei in April this year, Yu Chengdong said: "M9 is the best SUV in 10 million" when he previewed the new M9 car. From the above aspects, whether it is the new M7 or the M9, it is full of black technology to meet the diversified needs of different users. If you have plans to buy a full-size SUV, you may wish to wait for the M9, which will be listed at the end of the year. It is a sincere work and I believe it will surprise you!

The biennial Shanghai Auto Show is about to kick off. According to the introduction of Shanghai International Automobile Industry Exhibition, the 20th Shanghai International Automobile Industry Exhibition will be held in the National Convention and Exhibition Center (Shanghai) from April 18 to 27, and tickets will be sold from now on (11th).

As the "weather vane" of the global automobile industry, the 2023 Shanghai Auto Show attracted more than 1,000 companies to participate actively, with a total exhibition area of over 360,000 square meters, and 13 indoor pavilions of the National Convention and Exhibition Center (Shanghai) were opened.

As the first world-renowned heavyweight economic and trade activity in Shanghai after the epidemic, this year’s Shanghai Auto Show can be described as colorful. More than 100 world premiere cars will be unveiled collectively. The chairman of the global board of directors and the global CEO of important multinational auto companies will be present in person, and the heads of the six major domestic auto groups and independent brands will also be present. In addition, this year’s auto show also invited mainstream auto brands and first-line parts suppliers at home and abroad to participate in high specifications, as well as leading enterprises from new energy manufacturing, future travel, chips, radar, ADAS, autonomous driving solutions, car networking and high-precision maps to showcase the latest technologies and products.

In addition to "car watching", major car manufacturers and related exhibitors will also hold various new product press conferences at their respective booths. During the same period of the exhibition, the organizers will also hold many trade talks and technical exchange activities, as well as many special lectures, procurement matching meetings and trade fairs, covering new energy, intelligent networking, hydrogen energy and smart cars. Among them, from April 19th to 20th, the 7th International Key Technology Forum will be held in Shanghai Intercontinental Hotel, focusing on industry trends and releasing technology roadmap; On April 20th, "GTIC Smart Car Innovation Summit" will be held at the National Convention and Exhibition Center to show the new trend of industrial structure driven by intelligence.

After more than 40 years of development, Shanghai Auto Show has become the only international A-class auto show covering the whole vehicle, automobile supply chain and automobile technology enterprises in the world. It also has the largest number of exhibitors in the world, representing not only one of the highest levels of China Auto Show, but also one of the highest levels of China brand exhibitions.

The theme of this year’s auto show is "Embracing the new era of the automobile industry", which will further explore the implementation path of low-carbon transformation of the automobile industry; Focus more on building an exchange and cooperation platform to optimize the supply chain layout of the industrial chain; More intuitively show the sensory impact brought by the blending of automobile culture and fashion elements; More efforts will be made to build an automobile industry ecosystem driven by technological innovation and integration innovation, linking the world and cross-border cooperation, and depicting the infinite possibilities that cars will bring to people’s lives in the future.

Tickets for the 2023 Shanghai Auto Show are all electronic tickets. Visitors need to purchase in advance and complete real-name registration through the official ticketing program of the Shanghai Auto Show. Tickets for the same day will not be sold at the exhibition site. After purchasing tickets with real-name authentication in advance, the audience must check their valid certificates and enter the venue. Non-Chinese mainland audience will enter the venue with valid certificates such as passports (non-Chinese mainland audience will enter the venue with valid certificates such as passports), and they will visit in strict accordance with the date marked on the electronic tickets. On the schedule, April 18-19 is the media day, which only receives news media at home and abroad; April 20-21 is Professional Audience Day; April 22nd to 27th is the Professional and Public Audience Day.

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　　Mother-in-law’s tattooing is a long-standing and educational story among the people. According to a gentleman on the phone, it is acceptable for Yue Fei’s descendants to remarry his ex-wife Liu, and they can’t accept it without her mother-in-law’s tattoo. In fact, purely emotionally, why am I willing to deny this story that still inspires China people’s patriotism? But unfortunately, there is no account of this matter in the Chronicle of the King of Hubei written by Yue Fei and Sun Yue Ke. The following is the only note in Volume 9 of the Nazi Compilation of the Kingdom of Hubei:

　　The first minister was filial by nature, and he was troubled by the northern territory. His mother ordered him to join the army to serve the country, and he could not bear it. After repeated interest, I had to stay with my wife and foster mother and cross the river from Emperor Gaozong alone. Hebei is trapped, lost and stolen, and the voice is completely separated. I have been asking for a visit day and night, but I haven’t got it for several years. Russia has a visitor from my mother, saying, "And my mother sent a message: Speak for me, encourage the holy son of heaven, and don’t think of my sister." I secretly sent people to meet him, but I was blocked by the hustle and bustle. Eight out of ten people went back and forth, and then returned. My first minister was grateful and wept, and thanked me for being unfilial.

　　It can be seen that although my mother-in-law is an ordinary peasant woman, she is deeply aware of the righteousness, and it is enough to be revered only in terms of this record. The original record of Yue Fei backstab’s four words "Dedicated to Serving the Country" can be found in The History of Song Dynasty, Volume 380, Biography of He Zhu, but during the interrogation of Yue Fei:

　　Flying naked and showing the back, the back has the four words of "serving the country faithfully" of the old Nie, which goes deep into the skin.

　　This shows that the tattoo on Yue Fei’s back is years old. Of course, the two most original records quoted above cannot provide proof of mother-in-law’s tattooing. Reasonably, my mother-in-law, as an ordinary peasant woman, was generally afraid of not being able to read, and tattooing at that time was a special skill. In the eighth chapter of The Water Margin, it is said that Lin Chong was "stabbed far away from the military state" and "called a writer and stabbed his cheek". The twelfth time that Yang Zhi was sentenced, he also "called a literary craftsman and stabbed two lines of gold seals, overlapping with the left-behind department of Beijing Daming Mansion to serve as an army", indicating that not everyone in the Song Dynasty had the skill of tattooing people casually.

　　Even in terms of ancient romance novels or operas, Yue Fei’s Breaking the East Window, which was compiled in Volume 11 of Quanyuan Opera, was analyzed by the editor, and there were traces of modification by the Ming Dynasty. His 18th poem describes that Yue Fei was interrogated on Wednesday and replied: "If Yue Fei had this matter, would he be willing to stab people in the skin with the words’ serving the country faithfully’ since childhood?" It is difficult to judge whether this passage is the original words and phrases of Yuan opera or the reviser of Ming opera, but it also shows that Yuan opera may still follow historical records. Since then, it may have been written by Yao Maoliang when Chenghua was in the Ming Dynasty. (The sixteenth legendary story of "Loyalty" describes the same plot. Yue Fei replied: "Your honor is on the top, and Yue Fei has been engraved on his body with the words’ serving the country faithfully’ since he was a child. Please examine it carefully."

　　There is still no story of mother-in-law tattooing in the Romance of the Great Song Dynasty published by Ming Jiajing. Volume 1 of the novel only says that Yue Fei was in Jingkang, and when he saw Hu Ma, Song Bing cowered, and all the heroes in the countryside came, he went into the mountains to be the enemy. Fei said,’ A gentleman is not famous in the history books, but a thief who steals from the dog and lives in the world, is it ok?’ It is the four words of’ loyalty to the country’ that are tattooed on the back to show the meaning of not being evil. " Volume 7 of the novel says, "Yue Fei takes a confession, then splits his clothes and turns his back. Compared with Wednesday, there are four big black words, which are deeply rooted in people’s skin."

　　At the end of the Ming Dynasty, Feng Menglong wrote the legend of Jingzhong Banner, and his second fold, Yue Hou Nie Bei, compiled the story of Yue Fei asking Zhang Xian to stab him in the back. The excerpt is as follows. Sheng (Yue Fei) said, "Zhang Xian, you brought a knife and impressed on my back the words’ serve the country faithfully’." At last (Zhang Xian) said, "I’m afraid of your master’s pain." "I was furious," he said, "Alas, I am not afraid of Yue Fei’s death, so I am afraid of pain!" At the end, he said, "In that case, the villain is bold!" At the end, he said, "It’s finished." The student said, "Let me forget it." "At the end, I should be introduced by Nie, and the outside (pale head) and the students should be dressed." At the end, I said, "Sir is determined to serve the country, so why bother to endure this pain?" The student said, "Zhang Xian, all courtiers now flatter the Lord and forget the monarch behind his back. I’ll engrave these four words on my back today to wake up those who forget the Lord and betray the monarch and ask him to look back." It seems that the author deeply felt that "civil officials love money, military officials cherish death" in the late Ming Dynasty, and made this remark.

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