为了研究行人碰撞事故中人体下肢的生物力学响应和损伤机理，建立了一个人体下肢有限元模型。
In this paper, the failure mechanism and control technology of fretting fatigue have been studied by means of fatigue testing and finite element analysis.
夜间光线较差导致的路况不清是造成车辆与行人发生碰撞从而引发交通事故的主要原因。
The road confusion caused by the poor light at night is the main reason leading to collision and traffic accidents between vehicles and pedestrians.
为了了解中国城市交通中车辆碰撞行人事故的形态，在中国长沙地区开展了深入的调查。
To understand the scenarios of vehicle accidents involving pedestrians in Chinese urban traffic, an in-depth accident investigation was conducted in Changsha, China.
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