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实现代码","currentQuestion":"预处理和两条编码支路到底做了什么？ · 实现代码","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-e58ae1c2a0cd0331eaeab214","nextBlock":"b-6f205725a06ab1a81ed2f11c","prerequisites":[{"id":"b-7639d035ea82e7133a76a938","url":"#b-7639d035ea82e7133a76a938","role":"section-title"},{"id":"b-e7b0a49f8fdc0ac560b611e8","url":"#b-e7b0a49f8fdc0ac560b611e8","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-6f205725a06ab1a81ed2f11c","type":"pre","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/64ada4187bce4109b4173d43c262ff0c.html#b-6f205725a06ab1a81ed2f11c","content":"```\n# 可读的核心路径。默认不再重算；缓存已经由完全相同路径生成。\n# 将 RUN_FRESH_CLIP 改为 True 前，按说明准备依赖和固定权重。\nRUN_FRESH_CLIP=False\nif RUN_FRESH_CLIP:\n    import subprocess\n    subprocess.run([sys.executable,str(RETRIEVAL_ROOT/'fetch_clip.py')],check=True)\n    subprocess.run([sys.executable,str(RETRIEVAL_ROOT/'run_clip_retrieval.py'),'--encode'],check=True)\nelse:\n    saved=json.loads((RETRIEVAL_ROOT/'cache/clip-results.json').read_text())\n    for arm,r in saved['arms'].items():\n        print(arm,list(zip(r['candidate_names'],np.round(r['cosine'],4),np.round(r['softmax'],4))))\n    print('保存结果的来源:',p['execution'],p['generated_at_utc'])\n\n```","sha256":"dcb8e8d813addd004512eb521afca8b20bd31d80bae379d10f6f8cbaf5ab78ea","chapter":{"id":"course","title":"预处理和两条编码支路到底做了什么？ · 实现代码"},"unit":{"id":"notebook-blocks/64ada4187bce4109b4173d43c262ff0c","title":"预处理和两条编码支路到底做了什么？ · 实现代码"},"page":{"id":"reading-opening","title":"预处理和两条编码支路到底做了什么？ · 实现代码","number":1},"sectionTitle":"预处理和两条编码支路到底做了什么？ · 实现代码","currentQuestion":"预处理和两条编码支路到底做了什么？ · 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