他们的主要目标是减少该区域的污染量。
Their chief aim is to reduce the amount of pollution in the area.
最后对研究区域的河流污染控制策略提出了建议。
Finally, the recommendations of controlling the polluted river in the study area are proposed.
大气污染往往是跨区域的。
近年来，我国水污染问题已经成为了跨区域，跨流域的复杂问题。
In recent years, China's water pollution problem has become a cross-regional, inter-basin complex problem.
部分区域噪声污染指标超标与早期规划有关；
Previous planning is the reason of some region road traffic noise index exceeding;
部分区域噪声污染指标超标与早期规划有关；
Previous planning is the reason of some region road traffic noise index exceeding;
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