互联网文章 (Tavily API) ↓ jieba 分词 + TF-IDF 提取 ↓ 规则评估（5 分制，保留>=4 分） ↓ 动态术语词典（226 术语，5 领域） ↓ 倒排索引 + 召回率验证 ↓ 自进化闭环（每周更新） EvoIndex-CN/ ├── src ...
Researchers have identified fossil evidence of a giant python — estimated to exceed 13 feet in length — that once lived on Taiwan, an island where no pythons exist today. The surprising discovery is ...
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