The air pollutant dispersion models on different types of road are discussed.
本文研究了三种典型道路空气中NOx污染物的扩散模式。
参考来源 - 城市交通道路氮氧化物监测与评价方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-VAR Pollutants are substances that pollute the environment, especially gases from vehicles and poisonous chemicals produced as waste by industrial processes. 污染物 (尤指车辆尾气和化学工业废料)
Industrial pollutants are responsible for a sizable proportion of all cancers.
工业污染物会引发多种癌症。
Sulphur dioxide is a pollutant and a major contributor to acid rain.
二氧化硫是一种污染物，并且是形成酸雨的主要因素。
Nitrogen dioxide is a pollutant emitted by automobiles.
二氧化氮是汽车排放的一种污染物。
Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.
二氧化硫是酸雨的主要成因之一，它是一种特别严重的污染物，因为它会降低呼吸系统处理其他污染物的能力。
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