n.外摆线(圆外施轮线；外圆滚线)

A circle whose circumference rolls along the circumference of a fixed circle,thereby generating an epicycloid or a hypocycloid. 周转圆一个围绕着另一个固定圆周长滚动的圆，从而产生圆外旋轮线或圆内旋轮线，即外摆线或内摆线

Construct rotating nephroid and three-cusped epicycloid while remaining orthogonal to each other. 作旋转的肾脏线和旋转的三瓣外摆线，且彼此维持正交。

The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the... 摆线逆运动中与动切线成定角的直线

Priciples of cutting epicycloid bevel gear by continuous indexing method are investigated systematically. 对摆线齿锥齿轮连续分类法铣齿原理进行了系统研究。

General epicycloid circular arc spur gear 普通外摆线圆弧直齿轮