The role of an ordinary one-way cylinder, compressed air from one end of the cylinder into the cylinder to drive the piston forward;
普通单向作用气缸，压缩空气仅从气缸的一端进入气缸，以推动活塞前进；
Say that I give you an ellipse in space as maybe the more, well, one exciting way to parameterize an ellipse in space is maybe the intersection of a cylinder with a slanted plane.
给定一个空间里的椭圆曲线，一个来参数化这曲线的有趣示例是,表示为圆柱体与斜面的相交部分。
One way to think about it, actually, it's quite easy, you mentioned that you're walking on the outside of the cylinder along C prime.
有一个办法想起来就很简单，假想你在圆柱外,绕着曲线C走。
应用推荐