随着排入水体的污染物的增多和人们生活水平的提高，污染物浓度的控制已难以真正控制水环境污染。
It has been difficult to really control water environment pollution by concentration control, with the pollution increasing dumped into water-body and people living standard improving.
根据河道曝气技术控制河流水环境污染的基本原理以及在国内外的应用进展，结合苏州河流污染的实际情况，分析了在苏州地区利用河道曝气技术的可能性、可行性。
The possibility and feasibility of river aeration technique in river pollution control in Suzhou area were analyzed according to the principle and the development of the technique at home and abroad.
随着点源污染的有效管理和控制，非点源污染已成为水环境污染的主要原因。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
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