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1.
New Forms of Differential Geometry of Second Order Surface and Their Application to Gear Drive;
二阶曲面微分几何新形式及在齿轮传动中的应用
2.
The Simplification Problem About Equtionof Curve of Order 2 on Projective Plane;
射影平面上二阶曲线方程的化简问题
3.
Several Methods to Solve Asymptotic Line of Curve of Second Order on the Projective Plane;
射影平面上二阶曲线渐近线的几种求法
4.
Feature Extraction of Sectional Curve in Reverse Engineering Based on Two Orders Discrete Curvature
基于二阶离散曲率的截面线特征提取算法
5.
The Hypersurfaces in Unite Sphere with Semi-parallel and 2-order Parallel Mbius Second Fundamental Form;
球面中具有半平行和二阶平行Mbius第二基本形式的超曲面
6.
tangent-cone of a qualric
二次曲面的切线锥面
7.
conjugate diametral plane
共轭径面 -二次曲面的
8.
conjugate diametral planes of a quadric
二次曲面的共轭径面
9.
Study and Application of C-Bézier Curves and Surfaces of Degree n;
高阶C-Bézier曲线曲面性质研究及其应用
10.
Degree Reduction of the Said-Ball Curves and Surfaces;
Said-Ball曲线曲面的降阶逼近
11.
Research on Approximate Degree Reduction for Interval Rational Bezier Curves and Surfaces;
区间有理Bezier曲线、曲面的降阶逼近研究
12.
The Study of Degree Reduction Approximation Algorithm for Wang-ball Curves and Surfaces
Wang-ball曲线、曲面的降阶逼近算法的研究
13.
We call this surface the stress quadric.
我们称这个曲面为应力二次曲面。
14.
double generator of a ruled surface
直纹曲面的二重母线
15.
second fundamental form of a surface
曲面的第二基本形式
16.
conjugate lines in a quadric
二次曲面的共轭直线
17.
bifocal chord of a quadric
二次曲面的两焦点弦
18.
Exact Observability for Second Order Quasilinear Hyperbolic Equations
二阶拟线性双曲型方程的精确能观性