Decomposing the position vectors of a submanifold into the tangential and normal components,the present paper studies the conditions under which a compact space-like submanifold of pseudo-Euclidean space is pseudo-spherical submanifold.
将子流形的位置向量分解成水平分量和垂直分量,运用活动标架法研究伪欧氏空间的伪球面子流形。
By way of studying the machining route of spherical protruding curved surface part and milling the course,the numerical control machining program applied spherical protruding curved surface that has commonality and applicability and simpleness have been gone out by using the macro programming.
通过研究球形凸曲面零件的加工路径及铣削过程,利用FANUC系统提供的宏程序功能编制出了具有通用性、适用性且应用简单的球形凸曲面的数控加工程序。