A new grinding method of non-cylindrical surface 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。

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For the elliptic cylindrical surface 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。

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The invention concerns a cable drum having a non-cylindrical profile of its outer surface and the use of this cable drum in a window regulator system, particularly in a vehicle.

本发明涉及一种缆索卷筒和该缆索卷筒在尤其是在车辆中的车窗 调节器系统中的使用，该缆索卷筒具有其外表面的非圆柱形轮廓。

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