Urban air pollution is commonly known as smog.

城市空气污染通常被称为烟雾.

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Motor vehicle emissions, to a large extent, are responsible for urban air pollution.

汽车尾气在很大程度上造成了城市的空气污染.

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The results of this paper are available for the emission control schemes of urban air pollution.

本文的研究成果可以为城市空气污染物总量控制的制定提供参考.

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