所以这些国家在减少汽车、工厂和其它的污染源排放量上面临着巨大的压力。
So they are under extra pressure to reduce emissions from cars, factories and other sources.
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.
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.
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