Rainfall runoff is the main factor affecting the formation of nonpoint pollution.

降雨径流是形成非点源污染的主要影响因素。

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In this paper, these pollution produced by soil and water loss is defined as nonpoint pollution of soil and water loss type (NPSWLT).

本文定义这种污染方式这种为水土流失型非源污染。

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Topography and vegetation cover rate were two of the most important influence factors of nonpoint source pollution.

地形和植被覆盖度是最重要的两个面源污染影响因素。

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It supports municipal wastewater facilities, estuary protection projects, and nonpoint source pollution control.

FORBES: Spending Cuts Threaten U.S. Water Infrastructure