[Autohome News] GAC (|) will be officially launched today (May 21). As the flagship MPV of GAC Trumpchi, the new car will be equipped with a plug-in system composed of a 2.0T engine and a motor, with a comprehensive cruising range of 1032km. The car has been officially pre-sold at the Shanghai Auto Show, with a total of 3 models launched.The pre-sale price range is 33- 390,000 yuan.

　　In terms of appearance, the Trumpchi E9 adopts the new "Kunpeng Wing" design theme, with six horizontal grilles on the front face, two upper and lower ornaments, and a light strip running across the light group, five vertical light strips on one side, "horizontal nine vertical five" is the name of the nine five. In addition, the grandmaster series will be equipped with the front face of the lion, officially known as the 2.0 grille, which has a more powerful aura.

　　Coming to the side, the new car adopts a suspended roof design, the body size is 5193 (5212)/1893/1823mm in length, width and height, and the wheelbase is 3070mm. The rear of the car is consistent with the M8, I believe everyone will be shocked by its domineering taillights when they see this "door of time and space", and the small places that change are also surrounded by it, which will be more concise and neat.

　　In terms of interior, the layout is stable and dignified, and the material matching is rich enough. Then the E9 also provides a variety of styles and colors, the elegance of "Yunshan Zhushui" and the romance of "Opera Palace". There are three screens in the front row of the Trumpchi E9, 12.3-inch combined driving control instrument + 14.6-inch large floating central control screen + 12.3-inch co-pilot entertainment screen. Under the combination of ADiGO system and Yamaha audio, there are rich applications and pleasant sound quality.

　　For the most important second row, the screen also has to be arranged, with a 15.6-inch independent audio and video system, and the most distinguished MPV is the seat, semi-aniline high-grade leather fabric, various electric adjustments, "one-click SPA" mode massage function, and headrest stereo, just enjoy it.

　　As a new plug-in hybrid product of GAC’s Trumpchi MPV family, the Trumpchi E9 is equipped with a self-developed 2.0TM hybrid special engine, with a maximum power of 140kW, a maximum torque of 330N · m, and a maximum thermal efficiency of 40.23%. GMC 400 hybrid special gearbox and 25kW · h battery pack, a comprehensive battery life of 1032km under WLTC conditions, a fuel consumption of 6.05L for 100 kilometers fed by WLTC, and an acceleration time of 8.8 seconds for 0-100km/h. (Compiler/Autohome Guo Chen)

　　Xinhua News Agency, Hong Kong, August 25th: People from all walks of life in Hong Kong interpret the 14th Five-Year Plan: Seize new opportunities and open up a new atmosphere.

　　Xinhua News Agency reporters Cha Wenye, Su Xiao and Fang Dong.

　　The propaganda group of the national "14th Five-Year Plan" arrived in Hong Kong on 23rd, and held a series of propaganda activities nonstop for three days, which caused a whirlwind of "14th Five-Year Plan" in Hong Kong. A number of foreign businessmen, think tank representatives, experts and scholars in Hong Kong said in an interview with Xinhua News Agency that the 14th Five-Year Plan has brought valuable new opportunities to Hong Kong, with high gold content. Hong Kong society should take advantage of the situation, unite as one and seek common development.

　　On August 23, in the Legislative Council of the Hong Kong Special Administrative Region, speakers exchanged views with members of parliament on the stage. Xinhua News Agency reporter Wang Shenshe

　　Foreign companies: optimistic about the new positioning, beneficial to young people

　　The 14th Five-Year Plan not only supports Hong Kong to upgrade itself into an international financial center, an international shipping center and an international trade center, but also supports Hong Kong to upgrade its status as an international aviation hub, build an international innovation and technology center, build a regional intellectual property trade center and develop a cultural and artistic exchange center between China and foreign countries.

　　Kang Yong, chief economist of KPMG China, said that the 14th Five-Year Plan not only consolidated Hong Kong’s original advantages, but also put forward a number of new orientations, which pointed out the direction for Hong Kong’s future development. Foreign investment is very promising for the mainland market in China, including scientific and technological innovation, consumption, medicine and many other industries. Hong Kong can play the role of super contact between foreign capital and the mainland market, and its position is very important.

　　Kang Yong is most concerned about the positioning of Hong Kong as an international financial center and an international innovation and technology center. He believes that Hong Kong is rich in financial, legal and accounting resources, and can give full play to its own advantages and play an important role in the construction and co-construction of the Belt and Road Initiative in Guangdong-Hong Kong-Macao Greater Bay Area. In terms of innovation and technology, Hong Kong has high-quality scientific research resources. If we can make full use of them and strengthen cooperation with the Mainland, it will strongly promote the development of innovation and technology.

　　Kang Yong said frankly that Hong Kong should actively integrate into the overall situation of national development, especially young people should go out and realize their dreams in mainland cities in Greater Bay Area. At present, the state has issued a series of preferential policies such as taxation and professional qualification certification, which has provided more convenience for Hong Kong youth to develop in the Mainland. We should seize this opportunity.

　　Stefano Dellerba, an Italian who works in a foreign investment company in Hong Kong, believes that the 14th Five-Year Plan will bring great opportunities to Hong Kong, especially those young people who are interested in science and technology, finance and green economy, and are expected to get valuable opportunities to show their strengths.

　　Expert: Change old ideas and add new impetus.

　　Liu Zhaojia, vice-president of the National Hong Kong and Macao Research Association, pointed out that the 14th Five-Year Plan reflects the long-term strategic vision of the central government, which should not only maintain the competitive advantage of Hong Kong’s traditional industries, but also create new opportunities. While consolidating traditional industries, we should also promote many new developments, and take Guangdong-Hong Kong-Macao Greater Bay Area as a breakthrough point to make plans on our own initiative.

　　Yang Yuchuan, a visiting professor in hong kong financial services institute, said that in the "14 th Five-Year Plan", the central government did its best to provide all-round support for the future development of Hong Kong’s economy, and also planned a path for Hong Kong to add new development momentum, such as further integrating into the overall situation of national development and catching up with the express train of rapid national economic development; Take advantage of the service industry to provide services for the development of the "Belt and Road"; Enhance the development strength of innovation and technology, and provide a large enough market hinterland for Hong Kong’s advantageous industries; Support Hong Kong to vigorously develop the offshore RMB center and build a diversified, in-depth and rich product market that meets the needs of investors.

　　"Opportunities always favor people who are prepared. Although Hong Kong has a good foundation and strong support from the state, success will not fall from the sky if it cannot actively seize opportunities." Yang Yuchuan said that Hong Kong was deeply influenced by the economic concept of "positive non-intervention" in the past, and turning opportunities into reality requires the joint efforts of the whole territory.

　　He Xingyan, director of social research of Unite Hong Kong Fund, said that the "14th Five-Year Plan" clearly proposed to support Hong Kong to build an international innovation and technology center, and this policy was a great benefit to Hong Kong’s creative sector. Hong Kong’s universities have made outstanding achievements in basic scientific research, but the technology transfer link is weak, so it is difficult to effectively transform scientific research achievements into products and services with great social and economic benefits. Technology transfer is the key to unlock the scientific research treasure of universities. Hong Kong universities should take advantage of the opportunity of the "14th Five-Year Plan" to strengthen the capacity building of technology transfer and create a vigorous science and technology innovation ecology.

　　On August 24th, at the Hong Kong Convention and Exhibition Center, Huang Liuquan, Deputy Director of the State Council Hong Kong and Macao Affairs Office, delivered a speech. Xinhua News Agency reporter Wang Shenshe

　　All walks of life: seize new opportunities and open up a new atmosphere

　　Hu Zhixi, chairman of the Hong Kong Youth League and member of the All-China Youth Federation, said that the national "14 th Five-Year Plan" propaganda delegation came to Hong Kong to preach, which reflected the central government’s concern and support for Hong Kong as always. Hong Kong must seize this historical development opportunity, combine its own advantages, grasp the new policies given to Hong Kong by the state, and take the initiative to become a "participant" in the domestic grand cycle and a "promoter" in the domestic and international double cycle.

　　Shi Lide, president of the Chinese Manufacturers Association of Hong Kong, said that Hong Kong has constantly adjusted its industrial development orientation in response to the needs of the mainland at different stages of development, serving the needs of the country with its own strengths and growing. "This is the secret of Hong Kong’s success in the past and the only way for Hong Kong’s sustainable development in the future."

　　At present, the country is building a new development pattern of "taking the domestic big cycle as the main body and the domestic and international double cycles promoting each other", which Shi Lide believes will bring rare opportunities to Hong Kong. The mainland market is huge, and Hong Kong businessmen can actively participate in the domestic circular construction with their own brand advantages. In addition, Hong Kong’s traditional manufacturing industry should also conform to the "14th Five-Year Plan" and actively transform and upgrade.

　　Liang Haiming, an economist in Hong Kong and president of Silk Road Zhigu Research Institute, said that Hong Kong should take a macro view, refer to the new development ideas of surrounding areas and firmly grasp the opportunities brought by the 14 th Five-Year Plan. Hong Kong can give full play to its advantages in supply chain management, maritime court, arbitration and mediation center, shipping financial insurance and other related fields, promote Guangdong-Hong Kong-Macao Greater Bay Area and Hainan Free Trade Ports to form an international logistics development alliance, assist in the establishment of an international logistics bank, and develop international logistics supply chain financial business while providing financial products and services.

　　"After the implementation of the Hong Kong National Security Law, the society has returned to stability. The central government has improved Hong Kong’s electoral system, the relationship between the executive and the legislature has improved significantly, and the SAR government has been able to concentrate on dealing with economic and people’s livelihood issues. " Liu Zhaojia said that Hong Kong society should cherish the current hard-won stable environment and sincerely unite and seek common development. The SAR Government should strengthen long-term planning, intensify policy implementation, and implement the "14th Five-Year Plan" with the full support of the central authorities and the strong cooperation of all sectors of society.

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The following article is from New Consumer Daily, written by Tang Zhixiao.

New Consumer Daily.

The products of Cailian are devoted to reporting and studying the new trends, new products, new models and new investments in the fields of big consumption and going to sea in China, so as to provide consumers, investors and researchers with the best information on consumption and going to sea.

Yesterday, Huawei’s new 30-fold screen Mate XT extraordinary master opened the pre-sale online and offline simultaneously.

Official website showed that the reservation ended on September 19th, and it was officially put on sale on the 20th. Up to now, more than 1.9 million people have reserved this mobile phone in Huawei official website, and the number of reservations is still growing.

"science and technology innovation board Daily" reporter learned from offline stores that at present, the extraordinary masters of Huawei’s three-fold screen Mate XT have been sent to stores all over the country. Some salespeople told reporters: "The prototypes of some stores in Shenzhen have arrived, and the quantity of arrival varies according to different stores. Some stores even have only two or three orders. "

The above-mentioned Huawei sales person added to the science and technology innovation board Daily reporter that it is impossible to disclose the specific price of the product and unpack the prototype before the press conference, otherwise it will be fined more than 500,000 yuan.

"At present, we only register the intended reservation in our store, not make an informal reservation. After the product is officially listed, the store will inform consumers to pick up the goods at the store in the order of registration. " The Huawei salesperson said.

It is understood that when Mate60 and Pura70 series went on the market, Huawei’s official direct stores also made spot reservations by means of intention registration. Booking users still need to pick up the goods on the spot within the time limit for booking stores, and only one store can be selected for booking.

Unlike direct stores, some dealer stores have invited customers to make reservations.

A Huawei dealer store told the science and technology innovation board Journal reporter: "We only accept reservations from members of Huawei Mall above V3, and we need to pay a deposit of 5,000 yuan. Due to the scarcity of goods, Mate XT extraordinary masters need to bind HUAWEI Care+ to buy together."

The dealer admitted that there must be a higher premium for the previous three-fold screen, and the possibility of tying other related accessories besides Care+ was not ruled out.

Outside the online store, the science and technology innovation board Journal reporter found that some "scalpers" also put the order of Huawei Mate XT extraordinary masters on the second-hand trading platform, and the pricing is basically around 20,000 to 23,000 yuan.

During the consultation, the merchant told the science and technology innovation board Daily reporter bluntly: "After the sale in the morning, there were many inquiries about the specific price of the 30% discount screen, and we didn’t know. The price marked now is only the price of the basic model (16+512GB). According to the selected style configuration, the price will be increased later. "

As early as February this year, it was reported that Huawei was developing a "three-fold screen mobile phone", which will be available in the second quarter of this year at the earliest.

In August this year, Yu Chengdong was photographed using a three-folding screen mobile phone on the plane. On the left of the three screens, there was a message list, and on the right, there was a webpage content. When all the screens were unfolded, the inner screen was much larger than the ordinary large-folding mobile phone, and a stylus was suspected to be hidden in the protective case on the side. Yu Chengdong also revealed in Dong Yuhui’s live broadcast room that "the next generation of folding screens can be imagined by others, but they can’t be made. We have been thinking about it for five years, and finally it may be coming out soon. "

On September 3rd, Huawei Terminal officially announced Mate XT, a new member of the extraordinary master brand through Weibo. Yu Chengdong, managing director of Huawei, chairman of BG and chairman of BU, a smart car solution, forwarded the Weibo with Mate XT’s extraordinary master mobile phone.

Some practitioners in the mobile phone industry believe that as a new form of folding screen, the cost of three folding screens is higher than that of folding screens. On the one hand, the screen is folded in and out at the same time, and the flexible screen is subjected to compressive stress and tensile stress at the same time, which is a huge test for the stress capacity of the flexible screen; On the other hand, the two reverse folding stresses will lead to the slippage of multi-layer and module structure, which will affect the stability and display life of screen module.

Recently, Voice Holdings has appeared in PHANTOM ULTIMATE 2, an ultra-thin and three-fold concept machine. From the product form, this concept machine adopts a zigzag folding mode. After being fully unfolded, the overall size is about 10.1 inches, and all the screens are on the same side, instead of having a screen on both sides like the current mainstream folding screen mobile phone.

A developer engaged in HarmonyOS application adaptation told the reporter of science and technology innovation board Daily that in terms of adaptation difficulty, the three-fold screen mobile phone is not high. "In the fully unfolded form, the application proportion of the three-fold screen mobile phone is similar to that of the tablet computer. If only two screens are unfolded, please refer to the application proportion of the current folding screen mobile phone. On the whole, there is a certain amount of adaptation work, but it is not as big as when the folding screen was first listed. “

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Original title: "Nearly 2 million people made an appointment, and Huawei’s three-fold prototype arrived."

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Musk revealed that he had been assassinated twice.

Elon musk, CEO of Tesla, recently revealed on social media that he had suffered two assassination attempts in the past eight months. The two incidents were independent of each other. When the suspect was arrested, he was near Tesla’s headquarters in Texas and was found carrying a gun. Musk also mentioned at the recent Tesla shareholders’ meeting that the assassination risk in the United States is on the rise. He compared his situation with the late Beatle John Lennon and emphasized the potential threats faced by public figures. Musk revealed that he had been assassinated twice.

At the same time, Musk’s social media platform X (formerly known as Twitter) encountered regulatory challenges in Europe. The European Commission accused it of violating the Digital Services Law and may face a fine of up to 6% of the global annual turnover. Musk is tit for tat, not only refusing to accept punishment, but also accusing the EU of trying to reach an "illegal secret agreement" with it, requiring the platform to privately review the content to avoid fines, while the X platform refused to participate in such transactions. Musk vowed to confront the EU through legal channels to ensure the openness and transparency of information and safeguard the freedom of speech of platform users. On the other hand, the EU insists that its actions comply with the law and aim to protect the security and fairness of the network environment.

Among the Land Rover brands, Range Rover Sport Edition is definitely a road performance killer! The explosive power of the 5.0L supercharged engine is amazing! The performance close to the sports car makes it a leader in similar models; In addition, the combination of all-terrain feedback system and low-speed four-wheel drive also ensures its good off-road passability. Compared with the discovery, it still gives full play to the highway characteristics.

Land Rover is a pure off-road brand, and its powerful all-terrain feedback system allows you to ride on various wilderness roads. However, today, this Range Rover Sport Edition has brought the road performance to the extreme, which makes us feel the other side of Land Rover. Maybe you rarely have the opportunity to really feel pure off-road, but 5.0 supercharged engine+air suspension can make you enjoy yourself on the road.

All-terrain feedback system controls the operation of four-wheel drive system through computer, which is a quite advanced off-road vehicle technically. However, I am very worried that the computer’s repeated control of the separation and combination of differential locks will overload the system under complex road conditions, and the road performance will be more eye-catching.

Automobile Coolant and Antifreeze: Do you really know them?

In the maintenance of automobiles, coolant and antifreeze are two concepts that are often mentioned. However, many car owners are not very clear about their relationship and differences.

First of all, we should make it clear that the coolant is not completely equivalent to antifreeze, but antifreeze can be regarded as a special coolant.

The main function of coolant is to absorb the heat generated by the engine when the engine is running, and radiate it into the air to keep the engine in the normal working temperature range. It can effectively prevent the engine from overheating and ensure the normal operation of the engine.

And antifreeze, in addition to the cooling function of coolant, also has the characteristics of antifreeze. In the cold winter, water will freeze and expand. If ordinary water is used in the cooling system of the car, the water tank, water pipe and other parts may break after freezing. Antifreeze can reduce the freezing point of liquid, prevent freezing in low temperature environment, and protect engine and cooling system from damage.

In order to show the difference between coolant and antifreeze more clearly, we can compare them through the following table:

In actual use, both coolant and antifreeze need to be checked and replaced regularly. If the coolant or antifreeze leaks or deteriorates, it will affect its performance, thus bringing potential risks to the engine.

In addition, different types and brands of cars may have different requirements for coolant and antifreeze. Therefore, when selecting and replacing, it is suggested that the owner refer to the manual of the car or consult professional car maintenance personnel to ensure the selection of suitable products.

In a word, it is very important for the normal operation and maintenance of the car to understand the difference and function between coolant and antifreeze. Only when properly used and maintained, can the engine of an automobile always be kept in good working condition and the service life of the automobile be prolonged.

Original title of this article: "Except for Dying to Survive, these 10 fire-fighting TV dramas have all taken scenes in Nanjing! How many do you know? 》

Dying to Survive, which was released only a few days ago.

Douban scored 9.0, and the cumulative box office was almost 2 billion yuan.

Last week, Xiaoyou took stock of the location in Nanjing.

The circle of friends of Nanjing people was blown up overnight!

Leave a message in the background and go back to Xiaoyou!

It’s really a mountain of contention. Brother said that Nanjing is a blessed land.

Shooting in Nanjing can be a fire!

Then the question is coming,

Except for Dying to Survive, which is full of Nanjing marks.

Blockbusters shot in Nanjing in those years,

Have you seen them all?

In the name of people.

Speaking of film and television works filmed in Nanjing,

I have to mention the so-called Nanjing city image propaganda film.

Large-scale anti-corruption drama’s in the name of people.

95% of this TV series was shot in Nanjing.

It is full of Nanjing elements from beginning to end.

Universities, Xinjiekou, Youth Olympic Village, Zhongshan Botanical Garden, Lukou Airport,

Even yuhua tea can be found in the play.

▲ Central Shopping Mall

▲ Nanjing University of Aeronautics and Astronautics

▲ Yuhua Hospital

Wolf Warrior

When it comes to blockbusters, you can’t avoid Wolf Warriors.

Nanjing is not only the birthplace of Jason Wu’s Wolf Warriors 2,

It is also the location of Wolf Warriors 1.

One of the producers of Wolf Warriors 1 movie.

It is the former front-line art troupe of Nanjing Military Region.

The whole film was filmed in Nanjing.

Jason Wu himself participated in training in the Nanjing Military Region at that time.

▲ Liuhe Pingshan Forest Park

▲ Nanjing Institute of Politics

▲ Purple Mountain

I am a special soldier

When it comes to military works, one is well-known.

That is the series "I am a special soldier" filmed in Nanjing.

This TV series about the hardships of special forces soldiers,

Shooting in many colleges and universities in Nanjing,

And Hongyang Square, Confucius Temple, Zhonghua Gate,

Nanjing east railway station and others have appeared.

▲ Nanjing University of Science and Technology

▲ Nanjing Forest Police College

▲ Nanjing sanjiang university

To the youth that we will die.

When Zhao Wei’s directorial debut "To Youth" was filmed,

It can be said that it has gone through more than half of Nanjing.

I have traveled to more than a dozen Nanjing universities.

Yongquanchi of Southeast University, spiral staircase of Hohai University,

South Class Classroom in Nanjing University of Information Science & Technology,

And nanjing west station, which has been demolished

You can find it in movies.

▲ Southeast University

▲ Hohai University

▲ Nanjing Underwater World

July and An Sheng

Speaking of "July and An Sheng", as we all know,

But you know,

This film won seven nominations for the Golden Horse Award.

I also took photos in Nanjing.

Jiangnan Cement Plant, nanjing west station,

Dongda sipailou campus,

Did you notice them in the movie?

▲ Jiangnan Cement Plant

▲ nanjing west station

soundofcolors

The well-known Wallace Huo and Ruby Lin,

As early as 2005, I played opposite.

That’s the subway, which was shot in Nanjing.

In the play, two people take the subway.

After Xinjiekou, Zhangfuyuan and Sanshan Street,

It turns out that in those years, you were far away from the goddess

It’s just a distance of line 1.

▲ Nanjing Metro Line 1

▲ Nanjing Xinbai

The great cause of founding a country

In 2009, there was a superstar gathering.

Full of positive energy, the film masterpiece "The Founding of the People’s Republic of China".

Many buildings in Nanjing will flash across from time to time in the film.

Sun Yat-sen Mausoleum, Presidential Palace, Nanda University, Dongda University,

The most impressive things in these scenes are.

Taken in the old library of Southeast University.

The opposite of Chen Kun and Xiaogang Feng.

▲ Sun Yat-sen Mausoleum

▲ Music station

▲ Peking University Building of Nanjing University

the legend of white snake

There is a movie that runs through our childhood.

It is simply a classic TV series "The Legend of the New White Snake".

I also took photos in Nanjing.

Most of the scenes in the play are from Nanjing.

Zhanyuan, Xuanwu Lake and Chaotian Palace.

Even the scene of Leifeng Pagoda was not filmed in Hangzhou West Lake.

But in the pharmacist tower of Jiming Temple.

▲ Zhanyuan

▲ Chaotian Palace

▲ Jiming Temple

Love is deep and rainy

Apart from the white lady who accompanied us through childhood,

And aunt Qiong Yao’s TV series,

Among them, the most impressive one is Deep Rain.

When I mentioned "Love is Deep and Rainy",

The train station must come to mind.

Yiping and Shuhuan meet here respectively,

And this Shanghai station full of stories,

It’s pukou railway station in Nanjing.

▲ pukou railway station

▲ Dragon Neck Road

Our boyhood

There are many schools in Nanjing.

Dubbed as "the film and television base delayed by teaching"

A hit last year, "Our Youth"

It was taken from a middle school in Nanjing.

Nanjing Dongshan foreign language school

With high-quality baseball teaching resources,

And one of the best lighting baseball fields in the country,

No wonder "Our Youth" baseball was shot in the east.

▲ Nanjing Dongshan Foreign Language School

In fact, in addition to these popular movies and TV shows,

Popular variety shows have also come to Nanjing to take a look.

Such as Extreme Challenge and Running Man.

It’s amazing, my big Nanjing!

▲ Nanjing Zhonghua Gate

▲ Sun Yat-sen Mausoleum Music Station

Nanjing’s profound history, culture and details.

Has become his unique charm.

I believe that more and more crews will choose to shoot in Nanjing.

As a Nanjing native, I feel proud from the bottom of my heart!

Source: Nanjing Headline (ID: njtoutiao). The copyright of articles and illustrations belongs to the original author. If the shared content infringes your copyright or the source of the bid is not the first original, please contact Xiaobian WeChat njly1234, and we will review it in time.

If you want to go from mobile navigation to Auchan, you can follow the following steps:

First, make sure that the mobile phone and the car entertainment system are connected to the same wireless network. For different models of Changan Auchan, the connection mode may be different. For example, Changan Auchan Z6 needs to connect the mobile phone and car to the same wireless network.

Then, open the main interface of the car entertainment system, find the option of "screen projection" or "MirrorLink" and click enter. At the same time, find the option of "wireless display" or "screen projection" in the phone settings, and enable this function. Select the car entertainment system on the mobile phone and connect it.

Next, open a navigation application on your mobile phone, such as Gaode Map or Baidu Map, and start navigation. For Changan Auchan X5, you can try to long press the WeChat address sent to you by others, and then send it to the car screen, or navigate directly through the voice assistant Xiao Ou.

If you encounter the problem that the sound of the mobile phone is not output through the car audio, you can connect the mobile phone with the Bluetooth of the car to solve the audio output problem.

Some models can also be connected through the settings in the car screen, or bind the vehicle through Tencent My Car Service Number and send the target position directly to the car screen.

It should be noted that there may be differences between different mobile phones and car navigation systems. Please refer to the instruction manual or consult customer service for more detailed information.

　　　　[Aika Automotive Technology Original]

　　　　Speaking of autonomous driving, it is no longer a new concept. Since childhood, self-driving cars have appeared frequently on the big screen, and now the self-driving technology has gradually matured and stepped out of the screen, all of which are inseparable from the rapid development of science and technology. However, today, with so many manufacturers developing autonomous driving technology, do you know how many ways autonomous driving can be realized? Next, let’s explore one or two.

　　　　At the state-of-the-art level,Automatic driving can be roughly divided into two technical routes.：

　　　　The first one is based on the existing radar and sensors of the vehicle, taking ADAS (Advanced Driver Assistance Systems) as the starting point, and conducting the research on automatic driving.. This technology tends to allow vehicles to perform real-time calculations, and through the cooperation of on-board facilities such as cameras and radars, vehicles can achieve the purpose of automatic driving.

　 　The second one is based on V2V(vehicle to vehicle means information interaction between vehicles) and V2X(Vehicle to X means information interaction between vehicles and the outside world), which allows vehicles to establish information communication with the surrounding environment through mobile internet.So as to know the real-time traffic conditions and realize predictable automatic driving.

　　　　Nowadays,Both of these technologies have made great progress, but there is still a considerable gap from the real automatic driving.

1. Automatic driving based on ADAS:

　　　　Why use ADAS as the basis of autonomous driving? The reason is simple,Because ADAS already has a mass production foundation.The gradual penetration of various driver assistance systems into low-end models is the best proof.

　　　　At present, although the global market penetration rate of ADAS is not high, only about 5%, with the increase of automobile safety and intelligent demand, the market penetration rate of ADAS will be greatly improved in the future. According to the prediction of consulting firm PRNewswire, by 2020,The global ADAS penetration rate will reach 25%, and the global new car ADAS loading rate is expected to exceed 50%.Isn’t it enough that such a huge penetration base is used as the basis of autonomous driving?

　　　　Moreover, ADAS is quite mature in hardware.Bosch, NXP, Continental and other parts suppliers have already supplied tens of millions of sensors and actuators to car companies every year.Such a huge supply is enough to show that ADAS is quite reliable in hardware. In particular, NXP has recently released a powerful autopilot platform using the latest BlueBox engine.

　　　　But can you achieve automatic driving only by relying on ADAS? Of course not. Take Tesla as an example. Tesla is ahead in the field of ADAS, but it can only reach the level of second-class automatic driving. All this is due to the lack of effective support from high-precision maps.

　　　　Nowadays,High-precision maps have become a necessary and insufficient condition for autonomous driving.. According to the division of map manufacturers, high-precision maps can be roughly divided into two categories.The first is ADAS-level high-precision map.Its accuracy can reach the meter level;The second is the HAD-level high-precision map.Its accuracy can reach the centimeter level.

　　　　Because the two maps have different purposes,The ADAS level only includes basic information such as road shape and slope.And then used to cooperate with the driving assistance system of the vehicle itself to reduce driving pressure.The information collected by HAD level is more accurate, and it will record the lane type, width and surrounding environment of the road in detail.In this way, vehicles will have more detailed reference information, so on the basis of ADAS, high-precision maps have become an indispensable part.

　　　　However, due to the complexity of urban roads, it is quite difficult to collect high-precision maps in urban internal roads.It will take time to mature.

Second, autonomous driving led by the Internet of Vehicles:

　　　　After talking about the automatic driving based on ADAS, let’s talk about the automatic driving led by the Internet of Vehicles.

　　　　Simply put,The technical concept of V2V and V2X is to install a communication device on the car, and then use traffic lights, road signs, road vehicles and pedestrians as signal emission sources for real-time communication.. In this way, even if the car itself does not have the detection ability, it can know the traffic environment around it by constantly asking about the surrounding vehicles and traffic facilities, so as to realize safe automatic driving.

　　　　Compared with ADAS, V2V and V2X technologies have the greatest advantage that they can make the vehicle have foresight, instead of reacting in front of it.. Take the traffic light as an example. ADAS recognizes the image based on the camera, and judges whether the traffic light is red or green through the algorithm, while V2X can let the vehicle receive the signal 100 meters away, thus knowing the status of the traffic light, which makes the automatic driving easier.

　　　　However, this technology still needs high-precision maps as the foundation.Its biggest difficulty is that it is a very huge thing to install signal receiving devices and communication equipment on all traffic equipment, and how to unify the signal frequency is also a difficult problem for researchers.