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使用已有 24 项缓存显示猫查询的前三项：`chelsea-center90`、`chelsea-full`、`chelsea-right90`。24 项其实来自六张照片的四种相关裁剪，不能当成 24 张独立语义样本。它足以观察排名与缓存复用；更大的索引工程属于第八讲和 LAB 12 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Hit、Recall 与 exact 重合率，各自在问什么","sha256":"c54f1c8eedd49ebd3230440feaf9249ecf82351a2c3ac32e70e43f150b45a031","chapter":{"id":"course","title":"真实猫图结果：保留模型、照片与历史身份"},"unit":{"id":"notebook-blocks/b7ab2768ecf04c3aa9e1c6307a4de22b","title":"真实猫图结果：保留模型、照片与历史身份"},"page":{"id":"reading-opening","title":"真实猫图结果：保留模型、照片与历史身份","number":1},"sectionTitle":"真实猫图结果：保留模型、照片与历史身份","currentQuestion":"真实猫图结果：保留模型、照片与历史身份","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-2d0e0d570a3b367955e16077","nextBlock":"b-df17a125c53249fc3f22589e","prerequisites":[{"id":"b-69115ac8e8b537bc61c8ab86","url":"#b-69115ac8e8b537bc61c8ab86","role":"section-title"},{"id":"b-12a21fb757de01815db965ed","url":"#b-12a21fb757de01815db965ed","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-df17a125c53249fc3f22589e","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/b7ab2768ecf04c3aa9e1c6307a4de22b.html#b-df17a125c53249fc3f22589e","content":"固定一个查询，相关集合为 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K，再看成绩。若一个查询只有一个正例，Hit@K 与单正例 Recall@K 恰好同值；换成多正例后必须重新写清口径。保存查询和命中 ID 比只保存平均数字更便于 AI 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另一组真实 CLIP 关系推理不是同一证据。后者使用猫和宇航员的固定拼贴，交换左右位置，比较“猫在左、宇航员在右”及其相反描述。","sha256":"e58f3bfde63e21eff0229440f4df21ebc4312e7d153980a079fc9492e8714ce5","chapter":{"id":"course","title":"真实猫图结果：保留模型、照片与历史身份"},"unit":{"id":"notebook-blocks/b7ab2768ecf04c3aa9e1c6307a4de22b","title":"真实猫图结果：保留模型、照片与历史身份"},"page":{"id":"reading-opening","title":"真实猫图结果：保留模型、照片与历史身份","number":1},"sectionTitle":"真实猫图结果：保留模型、照片与历史身份","currentQuestion":"真实猫图结果：保留模型、照片与历史身份","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-d88b9616a9df2a011b0a667d","nextBlock":"b-7c9dd4f92c083869a92f1556","prerequisites":[{"id":"b-d88b9616a9df2a011b0a667d","url":"#b-d88b9616a9df2a011b0a667d","role":"section-title"},{"id":"b-12a21fb757de01815db965ed","url":"#b-12a21fb757de01815db965ed","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-7c9dd4f92c083869a92f1556","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/b7ab2768ecf04c3aa9e1c6307a4de22b.html#b-7c9dd4f92c083869a92f1556","content":"2026-09-22 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