The resulting M?bius strip, which has only one surface and one boundary edge, is an example of a topological form.
由此产生的莫比乌斯带，它只有一个面和一个边界的边缘，是一个拓扑形态为例。
2
In the paper, the elastoplastic boundary element method (BEM) of the initial strain is worked at calculating parameters of flat rolling of plate and strip.