evection
i'vekʃәn
基本解释
n. 出差(天文术语)
英文释义
The act of carrying up or away; exaltation.
An inequality of the moon's motion is its orbit to the
attraction of the sun, by which the equation of the center is
diminished at the syzygies, and increased at the quadratures by about
1� 20'.
The libration of the moon.
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