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- Normalization of quadric hypersurface equation in n- dimension affine space n维仿射空间中超二次曲面方程的规范化
- noncentral quadric hypersurface 无心二次超曲面
- imaginary quadric hypersurface 虚二次超曲面
- quadric hypersurface 二次超曲面
- singular quadric hypersurface 奇二次超曲面
- elliptic quadric hypersurface 椭圆型二次超曲面
- real quadric hypersurface 实二次超曲面
- parabolic quadric hypersurface 抛物型二次超曲面
- central quadric hypersurface 有心二次超曲面
- We call this surface the stress quadric. 我们称这个曲面为应力二次曲面。
- Conic sections and quadric surfaces. 二次曲线与二次曲面。
- How to prove the problems of inequality by quadric form is discussed. 讨论了利用二次型证明不等式的问题.
- pencil of quadric hypersurfaces 二次超曲面束
- The general event horizon formula of black hole is given from null hypersurface equation. 从零曲面方程出发 ;导出了黑洞视界面的普遍公式 .
- The former is described by a few equations, whereas the latter requires the specification of vast amounts of initial data on some hypersurface. 前者只包含了几个方程式，而后者却需要在某个超曲面（hypersurface）上，给定一大堆初始资料。
- A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
- It has appeared many results about regularity for weak solutions of quadric jncreasing parabolic equations. 得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
- It shows that there are similarities between the role of the link of a hypersurface singularity and the space of directions of a singularity in an Alexandrov space. 证明超曲面奇点的链环与亚历山大洛夫空间的奇点的方向空间有一些相似之处.
- The key idea of SSVM is to transform the standard model of SVM into an unconstraint quadric convex programming problem. SSVM模型的基本思想是将标准的支撑向量机模型转化成一个无约束二次凸规划模型进行求解。
- Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts. 摘要在机械产品的逆向工程中，针对测量数据提取常用二次曲面是非常重要的。
