英语翻译The Sun’s path across the sky changes during the year so that length of day and the rate of incoming solar energy per unit of area changes at any given place,causing warmer and cooler seasons.This can be explained by a model in which Ea
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英语翻译The Sun’s path across the sky changes during the year so that length of day and the rate of incoming solar energy per unit of area changes at any given place,causing warmer and cooler seasons.This can be explained by a model in which Ea
英语翻译
The Sun’s path across the sky changes during the year so that length of day and the rate of incoming solar energy per unit of area changes at any given place,causing warmer and cooler seasons.This can be explained by a model in which Earth’s axis is tilted with respect to its plane of rotation around the Sun.
英语翻译The Sun’s path across the sky changes during the year so that length of day and the rate of incoming solar energy per unit of area changes at any given place,causing warmer and cooler seasons.This can be explained by a model in which Ea
在一年里太阳到达天空的路径有所不同,会造成任意一个地方的一天的长度以及其单位面积能接收到的太阳能能量都会相应变化,造就了(地球上)温暖的季节和凉爽的季节.这可以用地球的轴围绕太阳公转的模型来解释.
一年里太阳划过天空的轨迹是变化着的,所以对于任何给定地点,白昼的长度和射向地面的每单位面积太阳能比率也不同,于是就有了温暖和寒冷的季节差别。这可以通过一个模型来解释,在这个模型中,地球的轴关于其围绕太阳旋转的平面倾斜。
一年当中,太阳在天空中的运行轨迹是变化的,所以一个地方的昼长和单位面积受热量也是变化的,也就有了温带和寒代的划分。地球地轴倾斜公转可以解释这个现象。
太牛了~佩服佩服~