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单词 dihedral
释义

WordReference Random House Unabridged Dictionary of American English © 2024
di•he•dral  (dī hē′drəl),USA pronunciation adj. 
  1. Mathematicshaving or formed by two planes.
  2. Mathematicsof or pertaining to a dihedron.

n. 
  1. Mathematicsdihedron.
  2. Aeronauticsthe angle at which the right and left wings or the halves of any other horizontal surface of an airplane or the like are inclined upward or downward.
  • di-1 + -hedral 1790–1800

Collins Concise English Dictionary © HarperCollins Publishers::
dihedral /daɪˈhiːdrəl/ adj
  1. having or formed by two intersecting planes; two-sided
 n

  1. Also called: dihedron, dihedral angle the figure formed by two intersecting planes
  2. the upward inclination of an aircraft wing in relation to the lateral axis
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更新时间：2025/7/23 17:24:20