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单词 equinoctial
释义 equinoctial
adj. & n.
--adj
  1. happening at or near the time of an equinox (equinoctial gales).
  2. of or relating to equal day and night.
  3. at or near the (terrestrial) equator.
--n (in full equinoctial line) = celestial equator.
Phrases and idioms
equinoctial point the point at which the ecliptic cuts the celestial equator (twice each year at an equinox). equinoctial year see YEAR.
Etymology: ME f. OF equinoctial or L aequinoctialis (as EQUINOX)
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更新时间:2025/6/6 13:32:28