retention pond 澄清池
Detention pond and retention pond are rainwater control structures used in almost every new development project in u.
滞留池和储水池作为雨水控制结构，几乎用于美国的每一个新建项目中。
Detention pond and retention pond are rainwater control structures used in almost every new development project in U. s.
滞留池和储水池作为雨水控制结构，几乎用于美国的每一个新建项目中。
The main aim of this thesis is to research the transporting regulation and the retention effect of N and P for the different dimensions pond wetland system.
本论文主要研究在不同尺度条件下水塘湿地系统中氮、磷输移规律及截留效应。
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