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  "limitations": [
    "坡道1080p文件只有视频轨：公开高码率音频清单返回403，未绕过。原360p坡道片仍有音频，但未擅自混配。",
    "这些是剪辑/慢动作回放，不是可直接测量真实飞行时间的原始高速摄影。",
    "没有取得未压缩母版或额外商用许可。"
  ]
}