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VOA慢速英语2015 谷歌无人驾驶汽车正式上公共街道测试

时间:2015-05-25 13:53:12

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Google Self-Driving Car Heading to Public Streets 谷歌无人驾驶汽车正式上公共街道测试

This summer, the latest version of Google's self-driving car will make its first appearance on public roads. The two-seat vehicle does not need a gas pedal or steering1 wheel. The prototype can drive, brake and recognize road dangers without human involvement. Google says the car is the first vehicle built for the purpose of self-driving.

However, the new vehicle is not designed for long trips. It does not have air bags or other safety devices required by the federal government. It cannot go more than 40 kilometers per hour. The vehicle is electric and has to be recharged after 130 kilometers. And it can only drive in areas that have been thoroughly2 mapped by Google.

Current California laws require all vehicles to have a steering wheel to guide the car and a gas pedal to control fuel use. The laws also require a driver to be able to take back control of a vehicle at any time. But, Google is working to change those laws.

Google will first build and test 25 driverless vehicles in areas around the company’s headquarters in Mountain View, California. Then, the company plans to build more and expand testing to areas that have more hills and more rain.

Eliminating human error

Sergey Brin is a co-founder of Google. He says the computer-controlled cars can eliminate, or end, driving mistakes made by humans. Experts say 90 percent of the 1.2 million yearly road deaths are caused by human error. Self-driving cars could also improve areas of high traffic and especially help older people and disabled people.

Google first announced that it was working on a driverless car in 2010. Mr. Brin says Google does not want to be a car company, but wants automakers to use its technology.

Critics worry about the safety of having cars without human drivers. And, Google admits there have been minor3 accidents in the six years it has been testing autonomous4 cars.

Chris Urmson says Google is proud of that record. Mr. Urmson is director of Google's self-driving car project. He says that Google's vehicles have completed about three million kilometers of testing. He says drivers in traditional cars caused all but one of the accidents.

Can it be trusted?

Critics also question the dependability of self-driving cars. They wonder if the cars can be trusted to work all the time. They also ask if such cars appeal to people.

In 2013, J.D. Power and Associates did a study of U.S. drivers. It found that only one in five was interested in a fully5 autonomous car.

Mr. Urmson says Google needs to do a better job of educating people about self-driving technology. He also says Google needs to better inform the public about its progress with the technology.

The company is building a website to do that. The site will include a monthly report that will include details of any accidents involving Google cars. It will also permit people to comment on any experiences they might have with the cars.

Still a long way to go

Google is not the only company developing self-driving cars. Mercedes-Benz, Infiniti and others already have highly developed driver assistance systems that require little help from a driver. But other automakers think self-driving cars will be made available feature-by-feature instead of all at once. They say this gives people time to adapt to self-driving technology.

Mr. Brin says Google is still improving its plans for self-driving cars, but he's excited about their possibility.

Google hopes to have its driverless cars available in the next five years.

Words in This Story

prototype – n. an original or first model of something from which other forms are copied or developed

eliminate – v. to remove (something that is not wanted or needed)

error – n. something that is not correct; a wrong action or statement; a mistake

autonomous – adj. existing or acting6 separately from other things or people; independent

adapt – v. to change your behavior so that it is easier to live in a particular place or situation


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1 steering 3hRzbi     
n.操舵装置
参考例句:
  • He beat his hands on the steering wheel in frustration. 他沮丧地用手打了几下方向盘。
  • Steering according to the wind, he also framed his words more amicably. 他真会看风使舵,口吻也马上变得温和了。
2 thoroughly sgmz0J     
adv.完全地,彻底地,十足地
参考例句:
  • The soil must be thoroughly turned over before planting.一定要先把土地深翻一遍再下种。
  • The soldiers have been thoroughly instructed in the care of their weapons.士兵们都系统地接受过保护武器的训练。
3 minor e7fzR     
adj.较小(少)的,较次要的;n.辅修学科;vi.辅修
参考例句:
  • The young actor was given a minor part in the new play.年轻的男演员在这出新戏里被分派担任一个小角色。
  • I gave him a minor share of my wealth.我把小部分财产给了他。
4 autonomous DPyyv     
adj.自治的;独立的
参考例句:
  • They proudly declared themselves part of a new autonomous province.他们自豪地宣布成为新自治省的一部分。
  • This is a matter that comes within the jurisdiction of the autonomous region.这件事是属于自治区权限以内的事务。
5 fully Gfuzd     
adv.完全地,全部地,彻底地;充分地
参考例句:
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
6 acting czRzoc     
n.演戏,行为,假装;adj.代理的,临时的,演出用的
参考例句:
  • Ignore her,she's just acting.别理她,她只是假装的。
  • During the seventies,her acting career was in eclipse.在七十年代,她的表演生涯黯然失色。

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