quintic surface

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-Bzier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