precession of the equinox

• 岁差,分点岁差

precession of the equinox的用法和样例：

例句

1. He then accounts for the precession of the equinoxes.
   然后他解释分点岁差。
2. It goes backward, and is therefore called a precession.
   它有前向后推，因此称做一个岁差。