线束
Method for Generating New Curves by projective Families of Pencil of Lines
一种用射影线束族生成曲线的方法
The Definitions of Cross Ratio of Four Lines in a Line Pencil
线束中四直线交比定义的讨论
Study on pencil of plane quadratic lines
平面二次线束的研究
The constructions of rational curves depend on the pencil of lines which may be blended in two or more straight lines.
有理曲线由直线束确定,直线束由两个或多个直线经调配得出。
From pencil of lines to rational curves
从直线束到有理曲线
By using the projective geometry, some schemes for generating rational curves from pencil of lines are investigated in this paper.
采用射影几何学方法,研究从直线束生成有理曲线的技术方案。
The pencil of plane quadratic lines is the foundation for studying plane cubic curve and hig-her plane curves.
平面二次线束是研究平面三次代数曲线和高次曲线的基础。
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