In this paper, the method of geometric transformation is used to search the relationship between the parameters of construction and the displacement of the flop.
本文应用画法几何投影变换方法来研究瞬时螺旋运动有关构造、位移等参数之间的几何关系。
This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
Spatial perspective affine transformation is a method solving spatial geometric problems.
空间亲似变换是用来解决空间几何问题的一种方法。
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