prolate epicycloids 长幅外摆线
curtate epicycloids 短幅外摆线
epicycloids bevel gear 摆线齿锥齿轮
long epicycloids 长幅外摆线
以上来源于: WordNet
N the curve described by a point on the circumference of a circle as this circle rolls around the outside of another fixed circle, the two circles being coplanar 外摆线 → compare hypocycloid, cycloid
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