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    时长:4.8分钟 · 播放:2120次
    来源:互联网 · 2016-11-28
    美国公共交通系统不尽如人意的原因以及改善方式
    时长:9.0分钟 · 播放:1958次
    来源:互联网 · 2017-10-18
    What if cars could share data with each other about their position and velocity, and use predictive models to calculate the safest routes for everyone on the road? Jennifer Healey imagines a world without car accidents.
    时长:4.2分钟 · 播放:1576次
    来源:互联网 · 2017-09-21
    Google's driverless car, powered by a very personal quest to save lives and reduce traffic accidents.