Soil and water conservation measures are an important means to control nonpoint source pollution, protect water source quality and ensure drinking water security.
水土保持措施是防治非点源污染，保护水源水质，保障饮水安全的重要手段。
The research results indicated: soil and water conservation measures are important means to control nonpoint source contamination, protect water source quality and ensure drinking water security.
结果说明，水土保持措施是防治非点源污染，保护水源水质，保障饮水安全的重要手段。
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。
Sources of water pollution can be classified broadly into two categories: point sources and nonpoint sources.
水体环境污染源按其发生类型分为点源、非点源。
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。
Storm drainage, even though the water may enter watercourses by way of pipes or channels, is considered nonpoint source pollution.
雨水排水也会通过水管或管道进入水道，这都被认为是非点源污染。
Compared with traditional uncovered farmland, a greenhouse region changes the runoff, erosion, and affects generation of nonpoint source pollutants.
相对于传统的露天种植，塑料大棚改变了降雨径流和土壤侵蚀过程，进而影响面源污染物的产生。
The definitions of urban nonpoint source pollution were summarized, and the categories, sources, hazards and factors of urban nonpoint source pollution were discussed.
总结了城市非点源污染的定义，探讨了城市非点源污染的种类、来源、危害、影响因素等特征。
On the basis of expounding the conception, harmfulness of nonpoint source, summarize the current situation of the study of surface water environment's nonpoint source pollution at home and abroad.
在阐述非点源污染的概念、危害性的基础上，对国内外地表水环境非点源污染研究现状进行综述。
On the basis of expounding the conception, harmfulness of nonpoint source, summarize the current situation of the study of surface water environment's nonpoint source pollution at home and abroad.
在阐述非点源污染的概念、危害性的基础上，对国内外地表水环境非点源污染研究现状进行综述。
应用推荐