单词lunisolar precession
na.: 日月岁差
〔天〕日月岁差
The lunisolar precession, derived from the general precession in longitude, is one of the important parameters in astronomy.
由岁差常数求得的日月岁差是天文学的重要参数之一,它和地球动力学扁率相联系。
The so-called lunisolar precession is caused by the inequality of the moments of inertia of the earth.
所谓日月岁差,是由于地球转动惯量的不相等造成的。