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    <title>蔡叔在挪威</title>
    <link>https://caiyuanle.com/tags/%E8%80%90%E5%8A%9B/</link>
    <description>长期生活在挪威。这里记录滑雪、跑步、AI、语言学习和长期生活里的真实经验。</description>
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    <copyright>© 2026 蔡叔</copyright>
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      <title>长跑后半程，心率平稳不等于效率稳定：本人改用心率解耦做耐力自查</title>
      <link>https://caiyuanle.com/running/posts/hr-drift-long-run/</link>
      <pubDate>Sat, 30 May 2026 00:00:00 +0000</pubDate>
      <dc:creator>蔡叔</dc:creator>
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      <description>把长跑漂移从「心率差」升级到心率解耦（Pa:Hr，看同样心率下能跑多快），两次长跑的判断就反了过来：1 月那次心率只漂移 +3.6 次/分，效率却在后半程下降；4 月复跑心率漂移 +10.5 次/分，效率反而几乎没掉。这只是近似自查，不是实验室测试。</description>
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