天气预报15天查询> 其他> 为什么天空要下雨来

为什么天空要下雨来

更新时间: 2020-07-03 00:00:00     

由于江、河、湖、海受到太阳照射,水就变成水蒸气。水蒸气上升又变作小水滴,最后变成云。组成云的小水滴或小冰晶受到下边气流的顶托,上升的气流也在不断把水汽众下面输送到云里,云里的小水滴或小冰晶在运动中相互碰撞,体积会增大,云下层的水滴慢慢变大,云彩上层的冰晶体积增大以后,掉到云彩层下部的水滴之间,水滴会越来越大。当这些水滴大到上升气流托不住它们的时候,就会下雨。

关键词: 为什么 天空 下雨

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2192567/ | 耗时:0.4953 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2192567 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2192567 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2192567 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2373593,2826094,667640,1077398,3237811,123092,1651811,1090843,3286275,110546,2912446,1106108,3368274,356487,2384747,2350746,1735011,2788520,1062618,2590682,1275697,165438,3003705,1874681,1644506,1104290,340492,1283000,1081821,1891291) ORDER BY field (ArticleID,2373593,2826094,667640,1077398,3237811,123092,1651811,1090843,3286275,110546,2912446,1106108,3368274,356487,2384747,2350746,1735011,2788520,1062618,2590682,1275697,165438,3003705,1874681,1644506,1104290,340492,1283000,1081821,1891291)