projective quadric

Conics Projective Geometry and Application of the Nature of the Discussion射影二次曲线的几何性质讨论及应用——二元二次多项式因式分解的理论Ri5汉语字典

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Ri5汉语字典

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Ri5汉语字典

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。Ri5汉语字典

Conic sections of different kind are projection graph, in which there are possibility to set perspective construction.所有二次曲线皆为射影形,它们之间存在建立透射结构的可能性。Ri5汉语字典

The Simplification Problem About Equtionof Curve of Order 2 on Projective Plane;射影平面上二阶曲线方程的化简问题Ri5汉语字典

Application of conic perspective transformation in engineering plot二次曲线透射变换在工程图学中的应用Ri5汉语字典

Several Methods to Solve Asymptotic Line of Curve of Second Order on the Projective Plane;射影平面上二阶曲线渐近线的几种求法Ri5汉语字典

conjugate lines in a conic二次曲线的共轭直线Ri5汉语字典

Based on the principle of polar transformation in projective geometry, the authorproposes and proves that two conics on any quadrics are perspective corresponding to each other.根据射影几何学中的配极对应原理，提出并证明了任意一个二次曲面上的两条二次曲线为透视对应。Ri5汉语字典

conic self-programming controller二次曲线自编程控器Ri5汉语字典

diauxic growth curve二次[两期]生长曲线Ri5汉语字典

conjugate diameters of a conic二次曲线的共轭直径Ri5汉语字典

family of confocal centred conics共焦有心二次曲线族Ri5汉语字典

conjugate lines in a quadric二次曲面的共轭直线Ri5汉语字典

tangent-cone of a qualric二次曲面的切线锥面Ri5汉语字典

Curvature monotony condition Tor the quadratic rational B spline curves.二次有理B样条曲线曲率单调条件Ri5汉语字典

Classification of Points in Special Position with Respect to Low Degree Curves on Projective Plane;射影平面上关于低次曲线位置特殊的点集的分类Ri5汉语字典