pencil of lines是什么意思

用法例句

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。

This paper traces the geometric property of projectiveties of a point on an ordered line pencil on Gauss plane.

本文是在高斯平面上探讨有序直线束外一点在该直线束上投影的几何性质。

In this paper we give the definition of the family of lines in space and its forms of equations.

本文给出了空间直线束的概念,并给出了空间直线束的两种形式。