| 调和共轭点偶或线偶纯综合射影定义 |
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| 引用本文： | 吴险峰. 调和共轭点偶或线偶纯综合射影定义[J]. 齐齐哈尔大学学报(自然科学版), 2003, 19(3): 92-93,96 |
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| 作者姓名： | 吴险峰 |
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| 作者单位： | 齐齐哈尔大学理学院 齐齐哈尔 |
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| 摘 要： | 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。
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| 关 键 词： | 交比 完全四点形 完全四线形 Desargues透视定理 |
The definition by purely synthesis projection of harmonically conjugate point or line pair |
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| WU Xian-feng. The definition by purely synthesis projection of harmonically conjugate point or line pair[J]. Journal of Qiqihar University(Natural Science Edition), 2003, 19(3): 92-93,96 |
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| Authors: | WU Xian-feng |
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| Abstract: | give the definition by purely synthesis projection of harmonically conjugate point(line) pair,and prove equivalence of projective definition with algebra definition. |
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| Keywords: | compound ratio complete quadrangle complete quadrilateral Desargues perspective theorem |
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