The symptom checklist 90(SCL 90) and neurobehavior evaluation system(NES C2) were used to measure the mood state, mental arithmetic, symbol substitution and visual retention factors.
The retention time of cargo operations is a comprehensive index to measure the goods vehicle operating efficiency and the transport organization efficiency.
货物作业停留时间是衡量货车使用效率和运输组织效率的一项综合性指标。
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The rate of passage of digesta through the digestive tract, which is best described by the mean retention time, is an important measure of gut function.