| 谈极限保号性的教与学 |
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| 引用本文： | 崔万臣.谈极限保号性的教与学[J].唐山师范学院学报,2000(2). |
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| 作者姓名： | 崔万臣 |
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| 作者单位： | 唐山师专数学系 河北 |
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| 摘 要： | 极限保号性是极限理论中的重要性质,对这一性质的教与学,本文提出比现行教材更全面,更简捷明确,更便于学习者掌握其实质的阐述方法。
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| 关 键 词： | 极限 保号性 极值 |
On the Teaching and Learning of Polar Invariance of Signs |
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| Cui Wan-Chen.On the Teaching and Learning of Polar Invariance of Signs[J].Journal of Tangshan Teachers College,2000(2). |
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| Authors: | Cui Wan-Chen |
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| Institution: | Maths Department of Tangshan Teachers College Hebei Tangshan 063000 |
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| Abstract: | Polar invariance of signs is an essential nature in the theory of polarity. This article states more perfect,more direct and definitude, and more convenient method of expa-tiating the nature. |
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| Keywords: | polarity invariance of signs extremum |
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