天气预报 > 自然 > 云是怎么形成的
云是怎么形成的
更新时间: 2021-01-17 10:56:51  

1、云形成主要是因为地表水分蒸发,水蒸气上升到高空后因为过高的气压和过低的温度而不断膨胀形成饱和的水汽。

2、当饱和的水汽遇到高空中的灰尘或其它漂浮物,就会凝结在一起,当聚集的水汽到一定程度,就会被上升气流托向空中,形成漂浮在空中的云。

关键词: 怎么 形成

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