envelope surface meaning in English

包络面
包络曲面
晕圈面

Conical envelope surface
锥形包络面
In chapter 3 , the method of modeling the sweeping of the assembly part in the assembly process is discussed . envelope surface is clarified as front envelope surface , rear envelope surface and sweeping envelope surface
第三章分析了装配过程零件包络面构成，并将包络面分解为前端面、扫掠包络面、后端面三部分。
Based on the vector of point , the formula of moving envelope surface of the assembly part is given . according to determinant and vector theory , the method of working out the three - dimensional space arbitrary polyhedron volume is described
基于三维矢量理论和行列式理论，解决了计算三角面片的任意多面体体积及评估零件所需的实际装配空间等问题。