射影直线;投影线
The congruent point range and line pencils between two projective planes
两射影平面场的合同点列与线束
Give the definition by purely synthesis projection of harmonically conjugate point ( line) pair, and prove equivalence of projective definition with algebra definition.
给出调和共轭点(线)偶纯综合射影定义,并证明射影定义与代数定义的等价性。
Two Coincident Points of the Two Common Line Projective Series Points
二共底射影点列的二重点
微语录 · 个性签名
微语录 · 句子大全
微语录 · 爱情句子
微语录 · 精美散文
微语录 · 生活常识