herpolhode
n. 空间瞬心迹,瞬心固迹;空间极迹
例句
In this paper, the herpolhode and polhode os a rolling ball on an inclined plane have been obtained and discussed by analysing the motion of this ball.
本文通过对斜面上滚动球体的分析,得出这种刚体运动的空间极迹和本体极迹,并对其图线进行了讨论。