Road network average delay per unit distance OD pathway is designed to provide travel choice travel path, travel time delay estimation and the evaluation of the path delay for the travelers.
路网od径路单位里程平均延误旨在为出行者提供出行径路选择，出行延误时间估计道路延误水平评估等作用。
The average optical density (OD) and inhibition rate were counted by Universal Microplate Spectrophotometer.
通过酶联免疫检测仪计算平均吸光度值和抑制率。
Although the calculation meth od of the average value is simple but its meaning is recondite.
平均值的计算方法虽然十分简单，但是，它的内涵却并不是十分简单。
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