英语词汇“dynamical equinox”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dynamical equinox
释义	dynamical equinox dynamical equinox (informal vernal equinox)The point of intersection of the ecliptic with the celestial equator at which the Sun's declination changes from south to north. It is thus the ascending node of the Earth's mean orbit on the Earth's equatorial plane. This point moves slowly with time. See also catalog equinox; equinoxes.
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