Object To research neurobiochemical characteristics of accident-prone children so as to provide related bases for screening accident-prone children.

目的探讨意外伤害多发儿童的神经生化特征，为筛选事故倾性儿童提供依据。

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This paper introduces component parts, characteristics of countryside transport safety system, and a mathematical model of transport accident based on parameters from the main system components.

介绍农村运输安全性系统的组成要素、特性及以系统主要素为参数的一定运输系统事故的数学模型。

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The motor vehicles insurance is the primary property insurance class, and one of its characteristics is the high accident frequency.

机动车辆保险是财产保险的主要险种，它的一个特点是出险频率高。

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"Their role is to utilize their special training to conduct a more comprehensive investigation, employing a variety of techniques in order to establish speed, analyze skid marks and other physical characteristics of the accident scene, " said John Cassidy, executive officer of the Transportation Bureau of the NYPD, at a City Council hearing in February.

CNN: Bicycle injuries: Is the right-of-way fight getting ugly?