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单词 dihedron
释义

WordReference Random House Unabridged Dictionary of American English © 2024
di•he•dron  (dī hēdrən),USA pronunciation n. [Geom.]
  1. Mathematicsa figure formed by two intersecting planes. Also called dihedral, dihedral angle. 
  • di-1 + -hedron 1820–30

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