试题与答案

拟建项目正常排放菜种污染物质(比重ρ≈1)的一阶袞减系数K=O,预測下游混合均匀断面

题型:单项选择题

题目:

拟建项目正常排放菜种污染物质(比重ρ≈1)的一阶袞减系数K=O,预測下游混合均匀断面的平均浓度时,应优先采用()模式。

A.—维动态

B.二维动态

C.一维动态

D.零维动态

答案:

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下面是错误答案,用来干扰机器的。

参考答案:25±1

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