[网络] 污染物浓度

contaminant concentration的用法和样例：

例句

The concentration sub-model shows that the pollutant concentration event only changes with the runoff event at the gully.浓度子模型则反映了雨水口入流污染物浓度仅随入流流量而变化。
This chapter describes methods of estimating airborne pollutant concentration distributions associated with various emission sources.本章论述几种有关各种排放源的大气污染物浓度分布的估算方法。

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