[天]?岁差

... 随机运动 random motion 岁差 equation of equinoxes 岁差常数 precessional constant ...

[天]?二分差

... 黄体功能不健 luteal function failure 二分差 equation of equinoxes 导游工资 tourist guides ' pay ...

?分点差

... equation of equal altitude 等高度改正量 equation of equinoxes 分点差 equation of regression line 退水曲线方程 ...