基本释义:

二次空间

用法和例句

The Research of Dimensional Conicoide by Using the Orthogonality of Real Symmetric Matrix;

用实对称矩阵的正定性研究空间二次曲面

The Classification of Quadratic Surfaces in Three-Dimensional Minkowski Space;

三维Minkowski空间中二次曲面的分类

Hypersurfaces in the Euclidean Space Whose Quadric Representations Satisfy L_k(?)=B(?)+C;

二次表示满足L_k（？）=B（？）+C的欧氏空间的超曲面

Research of Interpolation on Cubic NURBS Space Curve

双三次NURBS空间曲面的插值研究

tangent-cone of a qualric

二次曲面的切线锥面

conjugate diametral plane

共轭径面 -二次曲面的

conjugate diametral planes of a quadric

二次曲面的共轭径面

Study On The Oblique Dimetric Projection Of The Hyperconical Surface In Four-Dimensional Space And Its Orthographic Projections Upon The Four Three- Dimensional Projection Spaces;

E~4中二次锥型超曲面立体图及其在三维投影空间正投影图的研究

conjugate lines in a quadric

二次曲面的共轭直线

bifocal chord of a quadric

二次曲面的两焦点弦

We call this surface the stress quadric.

我们称这个曲面为应力二次曲面。

The Curved Surface Deformation of Negative Curvity in Minkowski Space;

Minkowski空间中的常负曲率类空曲面的形变

Lorentzian Hypersurface in Anti De Sitter n-Space;

Ads～n空间中的Lorentzian超曲面

the curve structure and projective structure of the normal quadric surface;

常态二次曲面的曲线结构和射影结构

Inner point and exterior point of a quadric and its plane of the type of contact plane;

二次曲面的内、外点及切平面型平面

Spatial Structure Analysis of Land Using Based on Lorenz's Curve--Take the Second Research Datas of Nanchang County as an Example

基于空间洛伦茨曲线的土地利用空间结构分析——以南昌县二次调查数据为例

Projection Classifly the Conics at Projective Space of Dimension 2;

二维射影空间的二级曲线的射影分类

Geometric construction of the tangent plane at a poin on the quadratic surface;

二次曲面上一点处切平面的几何画法