| 关于解析几何中二次曲线诸概念的图形表达初探 |
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| 摘 要： | 在课堂教学中，二次曲线诸概念因其抽象性不易被学生理解，然而一旦用几何图形配以相应的规律性概括，则立刻显得深入浅出，通俗易懂，本文就是关于这一问题的初步探索
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| 关 键 词： | 二次曲线诸概念 几何图形 规律性的概括 |
The Figural Expression of the Concepts on Quadratic Line in Analytic Geometry |
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| Dong Lihua. The Figural Expression of the Concepts on Quadratic Line in Analytic Geometry[J]. Journal of Dandong Teachers College, 1997, 0(3) |
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| Authors: | Dong Lihua |
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| Abstract: | Zn class teachis the high abstraction of the concepts on quaclratic line in analytic geometry results in the hardship in Students under standing them However once combined with the principal Conclusions to their geometric figures, they become immediately easy and clear in meaming This essays excectly something about it. |
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| Keywords: | The concepts on quadratic line geometric figures principal conclusions. |
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