逆温是制约北京城区大气污染的主要污染气象条件。
Temperature inversion is a meteorological condition that has a primary influence on the atmosphere pollution of urban area in Beijing.
应用地理信息系统(GIS)技术分析了焦作市城区大气降尘污染状况。
The geography information system (GIS) technology was applied to deal with the pollution state of atmospheric dust fall in Jiaozuo City of Henan Province.
研究结果表明，成都市城区大气气溶胶污染严重，特别是冬季超标率很高。
The research of the dissertation expresses that the pollution of atmospheric aerosol in the area of Chengdu city is very serious, and the pollution indexes are higher especially in the winter.
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