Unverified50% confidenceSolutionExact time
在向量检索场景中核心逻辑是相对排序而非绝对语义解释，业界通常通过离线评估（如Recall@K、MRR指标）验证检索质量
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
余弦相似度-1代表语义相反？机器学习面试高频陷阱解析
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