英语翻译1.大气空气气压低,空气不流动时主要因素.由于空气的不流动,使空气中的微小颗粒聚集,漂浮在空气中.2.地面灰尘大

1 low atmospheric air pressure, air circulation is the main factor. Due to small particles in the air does not flow to make air accumulation floating in the air. 2 the ground dust, low humidity of the air, the crowds and traffic dust stirred up. 3 automobile exhaust is a major source of emissions, in recent years, more and more car emissions of automotive exhaust in the city is a factor in fog. 4 5 winter heating plant secondary pollution emissions of carbon dioxide and other pollutants.