Unverified50% confidenceSolutionExact time
工程界普遍采用RAG架构：将历史信息切分成语义块，通过嵌入模型转化为向量存入向量数据库（如Faiss、Pinecone、Weaviate），用户提问时计算余弦相似度检索最相关片段
1
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50%
Confidence
Long-term
Relevance
7/21/2026
First Seen
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