| 单词 | strophoid |
| 释义 | strophoid [`strä´fȯid] MATHEMATICS 1. A curve derived from a given curve C and two points, called the pole and the fixed point, consisting of the locus of points on a rotating line L passing through the pole whose distance from the intersection of L and C is equal to the distance of this intersection from the fixed point. 2. The special case of the first definition in which C is a straight line and the fixed point lies on C. |
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