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2025-06-25·　【学科拓展】为什么O-H键能比C-H高

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2025-06-24·　【学习资料】硫酸钡及硫酸锶与纯碱反应的研究.pdf

2025-06-24·　【学科拓展】China vows to protect rights of Chinese companies against EU ban

2025-06-24·　【学科拓展】Women flexing consumption muscle

2025-06-24·　【学科拓展】China, India agree to strengthen border peace, coordination

2025-06-24·　【学科拓展】Xiamen hosts its first international job fair outside Fujian

2025-06-24·　【学科拓展】China makes major progress in building world's highest solar observatory

2025-06-24·　【业务学习】15.2 第2课时　频率与概率

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2025-06-24·　【学科拓展】Cross-boundary Payment Connect system set to boost Hong Kong's financial role

2025-06-24·　【教学设计】15.1　随机事件和样本空间

2025-06-24·　【学科拓展】Post-gaokao spending: A new gen is logging in as consumers