这些污染物被称为气溶胶，它们包括煤烟以及空气中氮、硫和其他物质的混合物。
These pollutants are called aerosols and they include soot as well as compounds of nitrogen and sulfur and other stuff into the air.
这个的原因可能是由于生理以及空气动力学两方面的。
The reasons for this are likely to be both physiological and aerodynamic.
石河子绿洲的温度、降水量以及空气湿度具有明显的季节变化特征。
The variation characteristics of temperature, precipitation and air humidity in the Shihezi Oasis have apparent seasonal.
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