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雾是在早晚时间由于辐射降温的作用,多余的水汽凝结成的小水滴或冰晶悬浮在近地面空气层里的一种天气现象。它多在空气湿度大、温差变化大的秋冬早晨出现。雾使能见度降低,还易使驾驶员造成错觉;同时,道路上雾气与灰尘混合,形成一层薄泥,使车辆附着力减小,制动距离增加。作为机
Fog is a weather phenomenon in the morning and evening due to the radiation cooling effect, excess water vapor condensation droplets or ice suspended in the air near the ground. It is mostly in the air humidity, temperature changes in large autumn and winter morning. Fog to reduce visibility, but also easy to make the driver illusion; the same time, the road mixed with dust and dust to form a thin layer of mud, so that the vehicle adhesion decreases, the braking distance increases. As a machine