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.
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。
2
Auxiliary surface is commonly used as a graphic solution for the projections of the intersection line of quadratic cambers of revolution.
在两个二次回转曲面体相贯线的求解中，辅助面法是常用的图解方法。
3
Three approaches to the graphic representation for lines of intersection are introduced in this article, namely, central projection, parallel skew projection and arc line projection.