...|地球公转介绍 地球公转|地球公转图片|地球公转介绍 地球公转就是地球按一定轨道围绕太阳转动(The Earth revolution around sun)。像地球的自转具有其独特规律性一样,由于太阳引力场以及自转的作用,而导致地球的公转。
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(It takes about 365 days for the earth to make a complete revolution around the sun.) In contrast, the moon takes 29 days or so to make a complete cycle around the earth.
(地球绕太阳公转一周约365天)，对比起来，月球约用29天左右绕地球一周。
The earth makes a yearly revolution around the sun.
地球每年绕太阳一周。
This is the annual revolution of the earth around the sun and the time periods are the same as the outer circle.
外圈的圆就和地球围绕太阳年复一年的旋转周期一致。
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