| 单词 | ellipse |
| 释义 | ellipse/ɪˈlɪps /noun ![]() A regular oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant, or resulting when a cone is cut by an oblique plane which does not intersect the base.For example he shows how to deform a circle into an ellipse and proves other results on deforming conic sections....
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