More generally, anyone concerned about the nation's urban air quality ought to be looking at the same particulates coming out of cars.
更普遍的是，担心城市空气质量的人，应当去关注跟汽车排放的相同的颗粒物。
In this work, samples of airborne particulates, vent gas and smog dust during heating and non-heating seasons were collected in the urban and suburban areas of Lanzhou.
本文收集了兰州市区和郊区在取暖期和非取暖期的大气飘尘样品和汽车尾气及烟尘样品。
They also prevent the creation of urban dust (partly due to the effect of wind over buildings) and absorb heavy metal particulates from the atmosphere.
同时防止由城市风产生的城市灰尘和吸收空气中的重金属颗粒。
In addition, the green roof can absorb the airborne particulates, purify urban air, and beautify the urban environment.
另外，楼顶绿化能很好地吸附空气中的悬浮粒子，净化城市空气，美化城市环境。
In addition, the green roof can absorb the airborne particulates, purify urban air, and beautify the urban environment.
另外，楼顶绿化能很好地吸附空气中的悬浮粒子，净化城市空气，美化城市环境。
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