Cheng, R. , Liu, J. , Hao, L. and Wu, D. (2026) On the Application of the Infinitesimal Method to Two Categories of Problems in College Physics. Open Journal of Social Sciences, 14, 378-389. doi: ...

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A year after President Donald Trump was sworn in for a second term, his approval rating remains at around 45%, according to Morning Consult’s weekly polling—though voters’ views of his handling of ...

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