| 变态二阶曲面与奇异点 |
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| 引用本文： | 裘肖庚. 变态二阶曲面与奇异点[J]. 绍兴文理学院学报, 1992, 0(5) |
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| 作者姓名： | 裘肖庚 |
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| 作者单位： | 绍兴师专数学系 |
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| 摘 要： | 本文给出二阶曲面为变态或存在奇异点的充要条件.
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| 关 键 词： | 变态二阶曲面 奇异点 充要条件 |
The Degenerate Conicoid and Strange Points |
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| Qiu xiaogeng. The Degenerate Conicoid and Strange Points[J]. Journal of Shaoxing College of Arts and Sciences, 1992, 0(5) |
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| Authors: | Qiu xiaogeng |
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| Affiliation: | Department of Mathematics |
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| Abstract: | In this paper, We give one necessary and sufficient condition about the degenerate conicoid and existence of straige point. |
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| Keywords: | degenerate quadric point aingularity necessary and sufficient condition |
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