For the elliptic cylindricalsurface which is the trunk of the blade, the geodesic and non-geodesic differential equations are deduced.
并针对叶片主干部分的椭圆柱面，分别推导其测地线和非测地线的微分方程序。
2
A new grinding method of non-cylindricalsurface is proposed and the key control techniques of the grinding methods have been discussed in this paper.
研究了非圆柱表面磨谢加工新方法，对该磨削加工方法的关键技术进行了探讨。
3
RJM resistor MELF Resistors also can be called a wafer resistance, cylindrical-type resistance, non-pin resistance, or non-lead resistance, mainly used for surface mount processing.