摘要
本文对高等几何中直射变换的二重元素的关系进行探索,得出一个求解直射变换的二重元素问题的简便方法.
This article did a preliminary research on the relation between double elements in collineatory transformation of the higher geometry and proposed a simple method in the solution of double elements in collineatory transformation.
关键词
直射变换
二重元素
nonsingular collineatory transformation, double elements.