epicycloid
英音 [ ˌepɪˈsaɪklɔɪd ]
美音 [ ˌepɪˈsaɪklɔɪd ]
释义
n. [数] 外摆线，[数] 圆外旋轮线
例句
1·A circle that rolls around another circle; generates an epicycloid or '.
绕着另一个圆圈滚转的圆圈；产生外摆线或内摆线。
2·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，其包络也是圆周渐开线。
3·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。
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