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<h2>实操策略二：从“关键词密度”到“问题覆盖密度”</h2><br>
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<p>实操建议：在段落开头或结尾，以一句话总结“本段回答了用户关于[某关键词]的哪个疑虑”，这有助于AI判断内容与查询意图的匹配度。</p><br>
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