Calculation results of city traffic parameters show that drivers visual perception lag time in the total reaction time cannot be ignored.

从城市交通具体参数计算结果表明，跟驰车辆驾驶员总反应时间中视觉感知滞后时间是不可忽视的。

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Total level or real composites in Chinas agricultural infrastructure stock have relatively big and everlasting positive effects on Gross National Product and have relative short time-lag.

我国农业基础设施存量无论是总体水平还是具体构成均对国民生产总值具有较强的、持续时间较长的正影响且时滞相对较短。

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It is even more sobering to realize that obesity is estimated to show a lag time of about 25 years before its total effect on premature death and disease is seen.

FORBES: Obesity: The New 'Just Say No' For 2013