filar evolute
科技词典字母F245页 ... filar丝状 丝状的 filarevolute线渐屈线 filarinvolute线渐伸线 ...
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曲线的渐屈线 Evolute of a curve
·2,447,543篇论文数据，部分数据来源于NoteExpress
当点沿曲线移动时，相应的曲率中心的轨迹曲线称为曲线的渐屈线，而曲线称为曲线的渐伸线。
When the point moves along the plane curve , the trace curve of the point is called the evolute of the curve , denoted by, and is called the involute of the curve .
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