This thesis concerns with some low dimensional projective varieties—the plane sextics with simple singularities and smooth quintic surfaces with lots of projective lines.
本文用构造性方法研究一系列的低维射影簇一即奇异平面六次代数曲线,和含有很多直线的五次曲面。
The Interpolation by PH Quintic and the Research on the Optimization Method of Its Shape
五次PH曲线插值及其外形优化方法的研究
Research on Planar Cubic PH Spline and the Inflection Points and Singularities on F-curve
三次插值PH样条与F-曲线拐点和奇点的研究
Qualitative Analysis for a Kind of Five-order Algebra Curve s Graphic;
一类五次代数曲线的图形的定性分析
Calculating and Plotting Titration Curve of Polybasic Acid;
多元酸滴定pH的计算和滴定曲线绘制
Construction PH Splines of C-Bézier Curves
C-Bzier曲线的PH样条的构造
tangental point of a cubic
三次曲线的切线割点
conjugate lines in a conic
二次曲线的共轭直线
Approximation of the Offset Curves of Bézier Curves by Bézier Curves of the Same Degree
Bézier曲线的等距曲线的同次多项式逼近
conic self-programming controller
二次曲线自编程控器
diauxic growth curve
二次[两期]生长曲线
conjugate diameters of a conic
二次曲线的共轭直径
family of confocal centred conics
共焦有心二次曲线族
conjugate lines in a quadric
二次曲面的共轭直线
tangent-cone of a qualric
二次曲面的切线锥面
Connection of the n degree Said-Ball Curves;
n次Said-Ball曲线的连接
Extension of quartic Said-Ball curve
四次Said-Ball曲线的扩展
Extension of Quartic Wang-Ball Curve
四次Wang-Ball曲线的扩展
A cubic expression, curve, or equation.
三次表达式，三次曲线，三次方程