undevelopable

常见例句

The results of the calculating examples show that this method is accurate when the curved surface is developable, and has high precision when the curved surface is undevelopable.
算例表明，本方法对可展曲面的展平是精确的，对不可展曲面的展平精度很高。
An Extremum Developing Method for an Undevelopable Surface and Its Application to Axial Fan Blades
不可展曲面的极值展开法及其在轴流通风机叶片中的应用
Undevelopable ruled surface
不可展直纹面