| 线心二次曲线的初等证明 |
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| 引用本文： | 冯云,任天胜.线心二次曲线的初等证明[J].河西学院学报,2012(5):47-53. |
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| 作者姓名： | 冯云 任天胜 |
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| 作者单位： | 河西学院数学与统计学院 |
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| 摘 要： | 本文给出了二次曲线为线心二次曲线的充分条件及其初等证明,并给出了线心二次曲线的具体图形.
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| 关 键 词： | 中心二次曲线 无心二次曲线 线心二次曲线 |
The Conditions and Elementary Proof for Conic with a Centre Line |
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| Feng Yun Ren Tian-sheng.The Conditions and Elementary Proof for Conic with a Centre Line[J].Journal of Hexi University,2012(5):47-53. |
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| Authors: | Feng Yun Ren Tian-sheng |
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| Institution: | Feng Yun Ren Tian-sheng(School of Mathematics and Statistics,Hexi University,Zhangye,Gansu 734000 China) |
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| Abstract: | This paper presents conditions and elementary proof for conic with a centre line. Meanwhile, the specific figure of conic with a centre line is given. |
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| Keywords: | Conic with a center Conic without a center Conic with a centre line |
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