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回放功能多画面回放，抓拍与即时打印及备份，专用播放器播放录像文件。
Playback Multi channels playback Snapshot, instant printing backup, built-in players to play video files.
youdao
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回放功能多画面回放，抓拍与即时打印及备份，专用播放器播放录像文件。
Playback Multi channels playback Snapshot, instant printing backup, built-in players to play video files.
youdao