水污染主要由人类活动产生的污染物而造成的，它包括工业污染源，农业污染源和生活污染源三大部分。
Water main pollutants generated by human activity caused, which includes industrial pollution, agricultural pollution and living most of the three sources.
汽车，工业和农业是伦敦及其城郊的主要污染源。
Car traffic, industries and agriculture are the main sources of pollution of London and areas nearby.
随着点源污染的有效治理，农业面源污染将成为三峡库区水体的最主要污染源。
With strengthening control of point source pollution, agricultural non-point source pollution will be the main pollution source to the Three-Gorge Reservoir area.
农业是主要的非点状污染源。
因此农业面源污染已被视为水体富营养化的主要污染源。
So the agricultural non-point source pollution has been considered as the main pollution source of eutrophication.
养猪场废水是农业重大污染源。
Piggery wastewater is a significant agricultural pollutant resources.
农业活动也有可能成为讨厌的空气污染源，即会增加当地的空气污染程度，也会产生难闻的气味。
Agricultural practices can also be a significant source of nuisance, contributing both to local levels of air pollution and causing dour problems.
城市地表径流是仅次于农业面污染源的第二大面污染源。
Urban surface runoff is the second large non-point pollution source next to agriculture.
污染源一般主要分为3类：工业、生活和农业。
Sources of pollution in general is divided into 3 categories: industry, life and agriculture.
由于化肥和农药的大量使用，农业非点源已成为中国水环境的主要污染源。
Due to wide applications of fertilizers and pesticides, agricultural non-point sources has been the key pollution source of water environment in China.
1987年的修正案中，最理想的水质规定涉及到特定污染源的污染，也就是说来自农业和都市区雨水的污染。
The most ambitious water quality provision of the 1987 Amendments relates to non-point source pollution, that is, run-off from agricultural and urban areas.
农业非点源污染已成为世界各国水环境污染的主要污染源之一。
Agricultural non-point source pollution has become one of the most important sources of the world's water pollution.
分析了农业中水污染的情况，指出不合理污灌、施肥、施药是引发面源污染的重要污染源。
After analyzing the water pollution in agriculture, the authors point out that irrational sewage irrigation, fertilization and pesticide application were the main origins for non-point pollution.
随着对点源污染管理力度的增大，农业面源污染已逐渐成为千岛湖区域的主要污染源之一。
Agriculture non-point source pollution has become one of the most important source pollution of Qiandao lake area with the control of the point source pollution.
重要的污染源正由工业污染向生活污水和农业面源污染转变，从而提出了相应的污染控制策略。
Water pollution is shifting from industry source to municipal wastewater and agriculture. The paper proposed corresponding strategies for controlling such pollution.
农业已成为宝贵的水资源的最大污染源之一。
Agriculture has become one of the biggest polluters of the nation's precious water supply.
农业已成为宝贵的水资源的最大污染源之一。
Agriculture has become one of the biggest polluters of the nation's precious water supply.
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