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！
February 27, 2026 at 2:32 PM UTC
。业内人士推荐WPS官方版本下载作为进阶阅读
Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
根据《中国人民银行关于实施一次性信用修复政策有关安排的通知》（银发〔2025〕245号）（以下简称《通知》）精神，国家开发银行承办的助学贷款（含生源地信用助学贷款和高校助学贷款，下同）将按政策要求实施一次性信用修复。现将具体事项公告如下：