近日，东南大学博士生导师陈洪兵教授在小红书上说：自从博士扩招，博士由考试入学改为考核入学后，博士生源质量明显下降，博士们根本不读书，水平比硕士还差。所以近年来他都是劝退想读他的博士的考生们，先想清楚再读博，宁缺毋滥。混个博士学位一点用都没有，纯粹浪费教育资源！
His portfolio dovetails with Trump‑era efforts to centralize AI governance at the federal level and prioritize American AI, including an executive order aimed at overriding stricter state rules and pushing agencies to classify and tightly manage “high impact” AI systems in 2026. Public biographies from the Department of War emphasize his record raising tens of billions in private capital and forging global partnerships as proof he can corral the private sector into serving U.S. strategic aims.
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To discover more fascinating science content, head to bbc.co.uk, search for BBC Inside Science and follow the links to The Open University.