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防止司机驾车时入睡的一种装置即将在(美国)交通部的实验室里进行试验,可能在12个月之内就能上市销售。这种叫做“司机清醒”
A device that prevents drivers from falling asleep while driving is being tested in a lab at the U.S. Department of Transportation and may be on the market within 12 months. This is called “driver awake”