近似弧长参数化曲线在CAD和几何造型系统中有着重要的应用。
Nearly Arc Length parameterization curve palyes an important role in CAD and geometric modeling.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
而细分作为一个优秀的几何造型工具，在弧长约束方面的研究也未多涉及。
However, subdivision as an excellent tool was not used in fields of geometric restriction.
目的通过对拇腕掌关节面定点测量，计算弧长和曲率，为探讨拇腕掌关节的功能提供几何形态参数。
Objective To get the geometric parameters of the articular surface of the trapeziometacarpal joint for dynamic analysis of the joint.
在双曲空间中，考察椭圆的包含关系，对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature.
本文阐述了平面二次包络弧面蜗杆传动的几何特征，引用数学方程对这些特征加以说明，进而提出了啮合参数选择原则。
In this paper, the geometric characteristics of worm drive with double enveloping arc surface machined by datum-plane tool are stated.
针对组合形状零件几何尺寸测量中的关键问题—轮廓识别，提出了一种基于弧长的轮廓特征点提取的方法。
An approach to extract feature points on the boundary based on length of arc is proposed in view of the key problem of measuring composite-shape parts.
通过求解灭弧室内部的静电场定解问题，优化其内部几何参数，使灭弧室内部电场较均匀，电场强度的峰值出现在“第二辅助间隙”中。
By solved this optimization model with finite element software, a more symmetrical electric field in vacuum interrupters was obtained and its peak value appeared in second auxiliary gap.
压强-离子电流曲线与灭弧室电极几何构造和触头的状况有关。
However, the electrodes geometry and the operating conditions of the contactors of the vacuum interrupters may significantly affect the shape of the pressure-ion current curve.
介绍了螺旋埋弧焊过程中焊缝几何形状计算机控制系统的硬件设计和软件实现方法，并对预测焊接工艺参数的专家系统进行了测试。
This article has described the hardware design of the computer control system for the welds geometry during the process of SSAW as well as its software development.
介绍了螺旋埋弧焊过程中焊缝几何形状计算机控制系统的硬件设计和软件实现方法，并对预测焊接工艺参数的专家系统进行了测试。
This article has described the hardware design of the computer control system for the welds geometry during the process of SSAW as well as its software development.
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