志天网核心提示:问一:什么是「两秒钟原则(Two-second rule)?答:所谓「两秒钟原则,是指正常驾车情况之下,与前车保持两秒钟车速的距离是安全的。
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以上来源于: WordNet
The observation is based on a phenomenon that Kurnit calls the two-second rule.
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