undevelopable
美
英 
例句
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
Some Criteria for Evaluating the Methods of Developing Undevelopable Curved Surface
不可展曲面近似展开方法的合理性判断标准
The key methods in the approximate developing system of undevelopable curve surface
不可展曲面近似展开系统中的关键技术