从零RAG入门与大模型知识库问答系统开发实战！LangChain RAG API全体系教学，手撕工业级Agentic RAG系统开发！
视频链接：
https://shenduvideo.oss-cn-shanghai.aliyuncs.com/video/16/%5BP06%5D6.%E3%80%90%E6%89%8B%E6%92%95%E3%80%91%E6%90%AD%E5%BB%BA%E5%9F%BA%E4%BA%8ELangChain%E7%9A%84RAG%20%E7%B3%BB%E7%BB%9F.mp4