| 单词 | plane section |
| 释义 | plane section (once / 1477414 pages) n WORD FAMILY plane section: plane sections USAGE EXAMPLESEvery plane section of a cone of the second order is a curve of the second order. Various, Encyclopaedia Britannica, 11th Edit...(2011) A plane section is an ellipse, but there are two particular directions of the section for which the ellipse reduces to a circle. Various, The New Gresham Encyclopedia—Volume...(2011) Many mix up and confuse what they see; but they do see beyond the plane section which Time gives to the normal human being. Bates, E. Katharine, Seen and Unseen(2010) n (geometry) the area created by a plane cutting through a solid Syn|Hypo|Hyper section cross section a section created by a plane cutting a solid perpendicular to its longest axis profilea vertical section of the Earth's crust showing the different horizons or layers area, expanse, surface area the extent of a 2-dimensional surface enclosed within a boundary |
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