减少各种尘土进入道路和进行道路清扫是控制交通扬尘污染的主要措施。
Reducing the silt entrance to the paved road and sweeping the road are the main measures of road dust controlling.
颗粒物是北京市大气污染的首要污染物，其中交通扬尘对颗粒物浓度的贡献较大。
Particulate matter, a large proportion of road dust, is the chief pollutant of atmosphere pollution in Beijing.
综合分析结果揭示合肥地区大气颗粒物主要源于水泥工业和交通造成的污染，部分来源于地面扬尘和工业窑炉。
Analytical results demonstrate that atmospheric particulates come mainly from concrete industry and traffic, and partly from air dust and soot of industrial stoves in Hefei City.
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