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单词 frustum
释义 frustum
n. (pl. frusta or frustums) Geom.
  1. the remainder of a cone or pyramid whose upper part has been cut off by a plane parallel to its base.
  2. the part of a cone or pyramid intercepted between two planes.
Etymology: L, = piece cut off
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更新时间:2025/3/10 16:07:11