分点岁差;春秋分的岁差;岁差;二分点岁差
Precession of the equinoxes is one of the important and also difficult points in the teaching of astronomy and introduction to the earth.
岁差是天文学和地球概论教学的重点与难点内容之一。
The tropical year is a phenomenon of the precession of the equinoxes in astronomy.
太阳年是天文学里的岁差现象.
A slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation.
随着地轴的转动昼夜平分线沿黄道平面向西缓慢移动的过程。
It is due to a phenomenon called the precession of the equinoxes.
这是由于岁差现象所导致。
He then accounts for the precession of the equinoxes.
然后他解释分点岁差.
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