为了精确地估算产业部门不同类别与特征的大气污染源对指定区域的污染强度，采用暴露效率概念及其研究方法。
The concept and method of exposure efficiency are used to precisely estimate the pollution intensity at a specific region resulted by various air pollution sources of industrial sectors.
钢铁企业内的炼焦厂是该区域多环芳烃主要污染源之一。
Coking plant inside the steel mill was one of the most important sources in the area.
暴雨径流是重要的地面污染源之一，对它的控制和管理是区域水质改善计划中的主要内容。
The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.
同时，优化污染源的位置也可以达到减少建筑群内污染物高浓度的影响区域。
On the other hand, the affected area of high concentration can also be decreased by optimizing the position of polluting sources.
目的根据区域大气污染源分布研究确定区域大气污染物历史暴露浓度，确定健康调查工作范围。
Objective to study distribution of air pollution source, determine the historical exposure concentration of air pollution in the region, and assure the work scope of health investigation.
通过优化建筑物的分布位置，可以有效地减少污染源在小区内高浓度分布区域。
By arranging the position of buildings, the area of high pollutant concentration can be reduced efficiently.
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.
位于城市污水处理厂污水收集系统区域内的工业污染源，必须考虑其突发性或间歇排放的化学物质对污水处理的影响。
For the industrial pollution sources locating in the zone of municipal wastewater collecting system, effects of instant or accidental discharge of chemical compounds must be assessed.
此次普查的目标在于弄清楚全国污染源的数量、区域和地理分布。
The survey is aimed at determining the number, sector and geographical distribution of the country's polluters in the country.
此次普查的目标在于弄清楚全国污染源的数量、区域和地理分布。
The survey is aimed at determining the number, sector and geographical distribution of the country's polluters in the country.
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