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单词 solid angle
释义

WordReference Random House Unabridged Dictionary of American English © 2024
solid angle, [Geom.]
  1. Mathematicsan angle formed by three or more planes intersecting in a common point or formed at the vertex of a cone.
  • 1695–1705

Collins Concise English Dictionary © HarperCollins Publishers::
solid angle n
  1. a geometric surface consisting of lines originating from a common point (the vertex) and passing through a closed curve or polygon: measured in steradians
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