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

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的英文翻译

基本释义

• a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation