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MP4播放器是一个能够播放 MPEG-4文件的设备,它可以叫做 PVP(Personal Video Player,个人视频播放器)也可以叫做 PMP(Portable Media Player,便携式媒体播放器)。现在对 MP4播放器的功能没有具体界定,虽然不少厂商
MP4 Player is a device capable of playing MPEG-4 files. It can be called PVP (Personal Video Player) or PMP (Portable Media Player). Now MP4 player function is not specifically defined, although many manufacturers