| 单词 | frustum |
| 释义 | frustum (once / 147742 pages) n WORD FAMILY frustum: frusta, frustums USAGE EXAMPLESThe top of the piston forms the frustum of the cone and the pistons are 110 mm. in length. Pag?, Victor Wilfred, Aviation Engines—Design?Constructio...(2011) This leads to the corollary concerning the lateral area of the frustum of a regular pyramid. Smith, David Eugene, The Teaching of Geometry(2011) The stand proper rested on a sort of frustum of a cone. Roberts, B. H., Corianton—A Nephite Story(2011) n a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed Hypo|Hyper truncated pyramid a frustum formed from a pyramid truncated conea frustum formed from a cone solid a three-dimensional shape |
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