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单词 semiminor axis
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sem′i•mi′nor ax′is  (sem′ē mī′nər, sem′ī-, sem′ē-, sem′ī-),USA pronunciation 
  1. Mathematics[Geom.]one half the minor axis of an ellipse.
  2. [Astron.]one half the minor axis of the ellipse that one celestial body describes around another, as a planet around the sun.
  • semi- + minor 1925–30

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