Unverified50% confidenceSolutionExact time
元数据过滤采用'先过滤、后检索'策略，使单一向量库在逻辑上等价于多个隔离子库，同时避免路由层复杂度
1
Sources
50%
Confidence
Long-term
Relevance
7/22/2026
First Seen
Sources
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