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雾霾天气的由来雾和霾从气象角度来讲是两种不同的天气现象,雾的主要特点是近地面层,它的高度大概不超过400米,就是在这以下的气层里面的微小水滴组成的。雾的存在会降低空气透明度,使能见度恶化。
The origin of fog and haze Fog and haze are two different weather phenomena from a meteorological point of view. The main feature of the fog is the near-surface layer. Its height is probably no more than 400 meters, which is the tiny water drop consist of. The presence of fog can reduce air transparency and deteriorating visibility.