Coordinate Calculation of Easement Curve Center and Side Stakes Using VB;
使用VB编程实现缓和曲线中边桩坐标计算
A constrained optimization method for deciding easement curve length in the raising operation speed of the existing railway;
既有线提速时缓和曲线长度的最优化算法
Accuracy analysis of coordinating calculation of easement curve;
缓和曲线坐标计算的精度分析
Further more,we used curve-fitting to introduce and analysis the variation of pulling stress field in coal rock.
冲击破煤是一个动力学过程 ,冲击的一瞬间在煤体中诱发压应力场和拉应力场 ,文中通过相似模拟试验得到冲击瞬间煤体中质点的拉应力峰值和该质点到冲击作用点距离的数据 ,进而通过曲线拟和的方法来分析拉应力场在煤体中的变化情
Antialiasing of Polygonal Object Deformation Controlled by Curves and Surfaces
基于曲线和曲面控制的多边形物体变形反走样
Cubic Trigonometric Bézier Curves and Surfaces with Multi-shape-parameters;
带多个形状参数的三次三角Bézier曲线和曲面
A Research on Shape Modification and Singularity of Bézier Curve and Surface;
Bézier曲线和曲面形状修改及奇异点问题的研究
Surf-Surf Intersection Curve
曲面与曲面相交求曲线
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
作者证实：单叶双曲面和双曲抛物面是直线曲面。
The intersection of the q1-and the q2 surfaces, defines a curve.
q1和q2曲面的交线定义了一条曲线。
Gentle bending, is put into use apply to curves and surfaces, or the corner, but many-sided.
柔和弯曲,适用于曲线、曲面或角落，可多方面使用。
Study of Rational Spline & Algebraic Curves and Surfaces Splines;
有理样条和代数曲线曲面样条的研究
Research on Curve Approximation and Surface Reconstruction in CAD;
CAD中曲线逼近和曲面重建问题的研究
Special Curves and Developable Surfaces in 3-Space Minkowski;
三维Minkowski空间中的特殊曲线和可展曲面
the curve structure and projective structure of the normal quadric surface;
常态二次曲面的曲线结构和射影结构
Recognizing Planar Curve Based on NRLCTI and Match Sub-curve
基于NRLCTI码和匹配子曲线的平面曲线识别
Singularities of Parallels for Hyperbolic Plane Curves
双曲平面曲线的平行曲线的奇点分类
Research on Key Technology in Shape Modification and Deformation of Curves and Surfaces;
曲线曲面形状修改和变形关键技术研究
Research on Approximation and Convergence Problems in Curves and Surfaces Modeling;
曲线、曲面造型中关于逼近和收敛性问题的研究
Application of the Symmetry in the Calculation of Curvilinear Integral and Surface Integral;
对称性在曲线积分和曲面积分计算中的应用
Special Space Curve and the Classifications of the Singularities of Developable Surface in R_1~3;
R_1~3空间中特殊曲线和可展曲面的奇点分类
Application of Odevity and Symmetry in Curvilinear Integral and Surface Integral;
奇偶性对称性在曲线积分和曲面积分中的应用