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多少度算温差大
更新时间: 2020-11-06 00:00:00  

温差是一天中气温最高值与最低值之差。一天内的气温日较差超过15度就是极大的昼夜温差。

温差最大的影响因素是天气,如果昼夜都是晴天,那么温差就大。因为白天晴朗,大气对太阳辐射的削弱小,气温就高一些,夜晚晴朗,大气逆辐射弱,气温就低一些。如果昼夜都是阴天,那么温差就小。因为白天阴天,大气对太阳辐射的削弱强,气温就低一些,夜晚阴天,大气逆辐射强,气温就高一些。

关键词: 多少 温差

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