如果我抛出一个网球，这样，那么整个轨。，在一个平面上，一个垂直平面上。
A tennis ball in class like this, then the whole trajectory is... the whole trajectory is in one plane in the vertical plane.
提出贯穿线的概念，对截面上包含自交、重叠、干涉的无序交线进行规整处理，生成有序的无干涉刀轨。
The concept of traversing line is presented to deal with the intersection curves of offset surfaces with planes...
应用推荐