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| 从射影观点看焦点 | |
| 引用本文： | 周建伟.从射影观点看焦点[J].大学数学,2014(1):45-48. |
| 作者姓名： | 周建伟 |
| 作者单位： | 苏州大学数学科学学院,江苏苏州215006 |
| 摘 要： | 用射影几何知识讨论欧氏平面上二次曲线焦点与准线的性质. |
| 关 键 词： | 二次曲线 焦点 准线 |
The Focus of Conic with View-Point of Projective Geometry |
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| Institution: | ZHOU J ian-wei (School of Mathematic Science, Suzhou University, Suzhou 215006, China) |
| Abstract: | In this paper we study the properties of focus and directrix of quadric curves with the view-point of projective geometry. |
| Keywords: | conic focus directrix |
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