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1·Safety is one of the goals of geometric design of road alignment.

安全性是公路线形几何设计的目标之一。

2·Conic curve is a basic element in computer graphics and computer aided geometric design.

二次曲线是计算机图形学和计算机辅助几何设计中的基本体素之一。

3·The computation of geometric continuity is one of the key problems in Computer Aided geometric Design (CAGD).

几何连续性的求解是计算机辅助几何设计(CAGD)中的一个关键问题。

4·Surface parametrization is one of important problems in computer graphics and computer aided geometric design.

曲面参数化是计算机图形学和计算机辅助几何设计中一个非常重要的问题。

5·A set of general formulas derived from the graphic calculation has been provided for the computer-aided geometric design.

在图解的基础上进行解析计算得出各参数间的通用公式，为直滑轨襟翼运动机构的机助几何设计奠定了基础。

6·They also have similarity to western geometric design, which are even led to modern art with their originality and beauty.

它们与引导原创性和美的现代艺术的西方几何设计有相似之处。

7·Constructing a smooth curve with given endpoint conditions is a fundamental problem in computer aided geometric design (CAGD).

构造一条满足给定端点条件的光顺曲线是计算机辅助几何设计(CAGD)中的一个基本问题。

8·In this paper, the first chapter is introduction, in which we briefly review some know-how of geometric design and calculation.

本文第一章为绪论，简要回顾几何设计与计算的研究概况。

9·An application of quadratic B-spline subdivision with circulant subdivision matrix in computer aided geometric design is proposed.

并阐述了具有循环细分矩阵的二次B -样条曲线细分在计算机辅助几何设计中的应用。

10·Studying the long tunnel geometric design from its actual operation is the issue should be paid close attention in railway design.

从运行角度对长大隧道设计进行专题分析是铁路设计工作中需要重点关注的课题。