PANEL 发表于 2025-3-25 03:20:07

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exacerbate 发表于 2025-3-25 11:06:41

Positive Solutions for Singular Systems of Three-Point Boundary Value Problems,This paper investigates the following singular systems of nonlinear second-order three-point boundary value problems...Where . ∈ (0,1), . < 0, Under some weaker conditions, the existence of positive solutions is obtained by applying the fixed point theorem of cone expansion and compression.

Lacunar-Stroke 发表于 2025-3-25 14:07:35

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拍翅 发表于 2025-3-25 17:32:58

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较早 发表于 2025-3-25 22:59:50

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大气层 发表于 2025-3-26 03:11:20

Current Situations and Suggestions about Bilingual Education in Chinese High Education,: What are the present conditions in China and how to improve this new teaching method. Firstly, the growth of bilingual education in domestic and in foreign was discussed. Next, this paper illustrated some significant issues in Chinese high education, including lacking of professional teachers, ina

祖传 发表于 2025-3-26 07:39:22

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可用 发表于 2025-3-26 12:12:30

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防锈 发表于 2025-3-26 14:09:34

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骚动 发表于 2025-3-26 19:45:50

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