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单词 equinoctial point
释义

WordReference Random House Unabridged Dictionary of American English © 2024
equinoctial point, 
  1. Astronomyeither of the two points at which the celestial equator and the ecliptic intersect each other;
    the position of the sun's center at the equinoxes.
  • 1720–30

Collins Concise English Dictionary © HarperCollins Publishers::
equinoctial point n
  1. either of the two points at which the celestial equator intersects the ecliptic
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