The methods described in this chapter and utilized in the sample problem calculation can't be expected to yield perfect predictions of ground level pollutant concentrations . 用本章所介绍并用在实例计算中的方法，不能期待得到地面污染物浓度的精确预测值。
Since a chief source of pollutants is automobile emissions, it might be expected that pollutant levels could be correlated with automobile traffic, at least to some extent . 因为污染物的主要来源是汽车的排出物，所以可以料想污染物的浓度至少在某种程度上是与汽车运输有关。
Can pollutant stave off the global warming crisis 污染物可否推迟全球变暖危机？
Some lakes and rivers are saturated with pollutants 一些河流和湖泊充满污染物。
Emission standard for pollutants from light - duty vehicle 轻型汽车污染物排放标准
Lcq3 : regulating pollutant emissions from vessels 立法会三题：规管船舶排放污染物
Scavenging process and its effect on air pollutants 清除过程及对大气污染物的影响
Emission standard of air pollutants for cement plant 水泥厂大气污染物排放标准
Pollutant amount in feces per animal per year 每头只畜禽每年排泄粪便中污染物含量
Emission standard of air pollutants for cement industry 水泥工业大气污染物排放标准
