accident (crash) rate中文是什么意思 ... accident (crash) occurrence 事故发生 accident (crash) severity 事故严重性 accident rate 失事率; 事故发生率; 事故率; 意外伤害率; 肇事率 ...
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事故严重性?。
研究了平均速度与事故危险性、速度离散度与事故率以及速度与事故严重性的关系；提出了加强速度管理，控制交通流平均速度和减小相邻路段的速度差值的对策。
In order to find the relationship between speed and accident, and to reduce the loss of the accidents caused by speed, they were deliberately studied.
事故发生后不久接受采访的乘客看起来并没有意识到事情的严重性，直到他们在不得不用紧急滑梯离开飞机的时候才意识到有些不妙。
And passengers interviewed shortly after the incident had seemed unaware of the severity of the crash landing until they were forced to exit the plane using the emergency slides.
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