“traffic accident rate”的概念、定义、翻译、参考文献-科学参考

单词	traffic accident rate
释义	traffic accident rate Encyclopedia 工学交通事故率释 traffic accident rate交通事故率在一定时间和一定空间范围内平均发生道路交通事故的概率或者交通事故死亡的概率，表示的是某个区域、某条道路、某个地点或者某起事故的交通安全风险。通常一定时间可以选择一年、一月或者一天。
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