提出一种将辅助平面旋转某个特定的角度图解正椭圆锥面截交线的方法。
The paper presents the graphic method of solution of the intersection of right elliptic cone with plane by rotation of auxiliary planes at a certain Angle.
本文以一般位置平面为辅助截平面，用求迹线方法，在一个视图求作两单曲面偏交交线。
With the ordinary camber used as auxiliary cross section, the line of intersection of two biasing single cambers is worked out in a view with the method for line of nodes.
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