A developable surface is one that can be made from a flat sheet without any in-plane strains. 可展曲面是一个可以由平板在不发生任何面内应变的条件下弯成的曲面。
The abduction mapping method was introduced to deduce the transformation relation between the non-unbendable surface and the flat surface. 利用微分几何中的诱导映射理论求得非可展曲面到平面域内的变换关系。
