英语语法分析

NURBS curves are among the most commonly used Parametric curves in CAGD and computer graphics.

NURBS 曲线是计算机辅助几何设计和计算机图形中最常用的参数曲线。

NURBS surfaces are among the most commonly used parametric surfaces in CAGD and Computer Graphics.

NURBS 曲面是计算机辅助几何设计和计算机图形中最常用的参数曲面。

The topic of this paper is to make an investigation on arithmetic for curvature lines of surface in CAGD.

本文的主题是对CAGD系统中所需的曲面曲率线的计算方法进行研究。