involute

The moves in chess are not only manifold, but involute.

下棋的走法不但多种多样， 而且错综复杂。

If we unwind this paper, each point on the angular edge generates an involute curve .

如果我们伸展这纸，每点在那之上有角的边缘产生一纷乱的曲线。

The shape of the tooth is an involute helicoid .

形状那牙齿是一纷乱的螺旋状的。