precession of the equinoxes

名词 n.
中文释义

英文释义

名词 n.
  1. The slow westward shift of the equinoxes along the plane of the ecliptic, resulting from precession of the earth's axis of rotation, and causing the equinoxes to occur earlier each year.
    — Some three thousand years ago (owing to the Precession of the Equinoxes) that star at the winter solstice did not stand at midnight where you now see it, but almost exactly ON the meridian line.

词形变化

precessions of the equinoxes plural
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