| 无穷远元素的应用 |
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| 引用本文： | 刘向华.无穷远元素的应用[J].株洲师范高等专科学校学报,2000,5(3):22-24. |
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| 作者姓名： | 刘向华 |
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| 作者单位： | 株洲师范高等专科学校数学系,湖南株洲 |
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| 摘 要： | 阐述无穷远元素在有关共线点、共点线、调和分割等方面的应用，并利用无穷远直线得到将二次曲线分类的简单方法。揭示射影几何与初等几何、解析几何之间的内在联系。
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| 关 键 词： | 无穷远元素 共线性 共点线 调和分割 射影几何 |
| 文章编号： | 1009-1432(2000)03-0022-03 |
| 修稿时间： | 2000年6月26日 |
The Application of Infinitive Far Element |
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| LIU Xiang-hua.The Application of Infinitive Far Element[J].Journal of Zhuzhou Teachers College,2000,5(3):22-24. |
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| Authors: | LIU Xiang-hua |
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| Abstract: | This thesis is to explain the application of the infinite far element in three points in one straight line,three straight lines through one point and harmonic cutting,obtain a simple method to catogorize curves of second degree by means of infinite far straight line,and discover the interior connections between elementory geometry and aralytic geometry and projective geometry. |
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| Keywords: | infinitive far element three points in one straight line three straight lines through a common point harmonic cutting curves of second degree |
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