1.
The Integral Part of Powers of Real Quadratic Algebraic Integers;
一类实二次代数整数方幂的整数部分
2.
In this paper, we find all Pythagorean numbers in the complex quadratic field with class-number two.
本文中求出所有类数为2的二次代数复数体的毕氏数。
3.
Higher Smoothly Blending and Graphic Solution of Three Conicoid;
三个二次代数曲面的高光滑拼接及图形实现
4.
Research on NC Machining of Plane Parametric Curve Based on Difference Interpolation of Conic Spline
基于二次代数样条差分插补的平面参数曲线数控加工
5.
G~2-CONTINUOUS CONIC SPLINE CURVE WITH GIVEN TANGENT POLYGON
与给定切线多边形相切的G~2-连续的二次代数曲线
6.
The branch of algebra that deals with quadratic equations.
二次方程式论处理二次方程式的代数学的分支
7.
a branch of algebra dealing with quadratic equations.
有关二次方程式的代数分支。
8.
The Reduction of Qrder for Seconderorder Linear Homogeneous Equation of Coustant Coefficients
二阶常系数线性齐次方程的降阶代换
9.
The Topological Classification of the Quartic Invariant Algebraic Curve Cycles in a Class of Qudratic System;
一类二次系统四次不变代数曲线环的拓扑分类
10.
Blending of Quadric and Cubic Implicit Algebraic Surfaces along Planar Sections;
二次与三次隐式代数曲面沿平面截口光滑拼接
11.
Algebraic Structure of Some Conic Curves and Pascal Lines Track;
一类二次曲线的代数结构及Pascal线的轨迹
12.
The Density of Algebraic Curve Homoclinic Cycle for an Integrable Quadratic System;
二次可积系统的代数曲线同宿环的稠密性
13.
Algorithm Implementation of NC Code Re-generation of Twin Spindles Gantry Drilling Machine
双主轴龙门钻床数控代码二次生成算法的实现
14.
Development of Secondary Nucleic Acid Sequence Database Based on Agent Program
基于代理程序开发核酸序列二次数据库
15.
The Graphic Solution of Higher Smoothly Blending of Quadric and Cubicimplicit Algebriaic Surface Along Planar Sections;
二次与三次隐式代数曲面沿平面截口的高光滑拼接
16.
This paper studies the algebraic condition of degenerate conic with ray homogeneous coordinates. Based on the study, the singular point of degrnerate conic is further discussed.
用射影齐次坐标研究了二次曲线退化的代数条件，从而进一步讨论了退化二次曲线上的奇异点。
17.
Number of entries Single Double Multiple Duration of each stay
拟入境次数 一次 二次 多次 每次停留天数
18.
The Dimension of The Space of Invariant Symmetric Bilinear Forms on a Quadratic Lie Algebra;
二次李代数上对称不变双线性型所成空间的维数(英文)