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一类双曲线定点问题的源与渊——以一道模拟题的定点问题为例
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作者 刘建国 马一新 《中学数学研究(华南师范大学)(上半月)》 2024年第8期15-17,共3页
本文章一道圆锥曲线的高考模拟题为模板,通过对条件中相应的定点与定直线进行分析,提出猜想,得到在一类双曲线定点问题的结论并加以证明,揭示了此类定点问题背景.再将其类比到椭圆中,通过分析条件之间的内在联系,将条件一般化,得到关于... 本文章一道圆锥曲线的高考模拟题为模板,通过对条件中相应的定点与定直线进行分析,提出猜想,得到在一类双曲线定点问题的结论并加以证明,揭示了此类定点问题背景.再将其类比到椭圆中,通过分析条件之间的内在联系,将条件一般化,得到关于一类有心圆锥曲线的定点问题的相关结论,并借助射影几何中调和点列性质进行论证. 展开更多
关键词 双曲线 定点问题 源与渊
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Comparative Study on Differences of America-China Eco-Literature Viewpoints From the Perspective of Academic Compatibility
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作者 WANG Xiao-ling 《Journal of Literature and Art Studies》 2012年第8期769-778,共10页
Facing the broad "eco-literature" subjects, this paper, first of all, taking eco-literature viewpoint and the theoretical connotation of eco-criticism viewpoint itself as the starting point, conducts a contrast stud... Facing the broad "eco-literature" subjects, this paper, first of all, taking eco-literature viewpoint and the theoretical connotation of eco-criticism viewpoint itself as the starting point, conducts a contrast study from the cultural origin-tracing on the American eco-literature viewpoint under the Western Bible vision and the Chinese natural eco-literature viewpoint of"Oneness of Men and Nature" through the parallel comparison method; then from the visual angle of influential research is to further explore the academic compatibility in academic research: namely, the Western ecological literature consciousness begins to appear under the premise of the Western ecological civilization being destroyed, while the China's natural eco-literature of"Oneness of Man and Nature" is based on a kind of unconscious affinity between people and nature in primitive age. Here it is necessary for us to point out that they cannot be mentioned in the same breath, because the modern ecological criticism is not the reduction of an ancient ecological thought, and also will lead to the academic non-compatibility in academic research. So only by correcting the people's misunderstanding in cognition, can we reach the unity of the natural ecological viewpoint and man civilized viewpoint so as to keep the harmony between human beings and nature. 展开更多
关键词 eco-literature viewpoints dualism opposite thinking mode "Oneness of Men and Nature" non-compatibility HARMONY
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