You will learn more about media file extensions in the next chapters.
你将在下一章学到更多关于多媒体文件扩展名的知识。
The attachment can be a PDF or a DOC file, an XLS spreadsheet, a binary image, or a voice or video multi-media file.
附件可以是一个PDF或DOC文件、一个XLS电子表格、一幅二进制图像，或一个视频或音频多媒体文件。
Google has recently announced WebM, an open source, royalty free media file format consisting of the following components: VP8 video codec, Vorbis audio codec, and the Matroska media container.
近日，Google开源了WebM——用于视频压缩与编码的免费媒体文件格式，它主要包含如下组件：VP8视频codec、Vorbis音频codec以及Matroska媒体容器。
停止播放媒体文件。
倒带媒体文件。
播放媒体文件。
The form for any kind of digital media file, such as images, sound, video or general document and so on.
其形式可为任何一种数字媒体，如图像、声音、视频或一般的文档等等。
A new streaming media file format is suggested in this paper, and its characteristics and intentions are also elucidated.
本文提出了一种新的流媒体文件格式，给出了这种流媒体文件格式的框架并且阐明了其特点和用意。
A new streaming media file format is suggested in this paper, and its characteristics and intentions are also elucidated.
本文提出了一种新的流媒体文件格式，给出了这种流媒体文件格式的框架并且阐明了其特点和用意。
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