- 问题详情:AnAustraliancompany,SmartCarTechnologies,hasdevelopedasystemthatletsdriversknowwhenthey'respeeding.Whenthetechnologybecomescommerciallyavailable(可利用的),itcouldhelpoverspeeddriversavoidticketsandalsosavelives.Thecompanythatdevelopedtheproductho...
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