The standard includes the use of XML in areas such as packaging, file format, frame rate and timing, composition playlists, and packing lists.
标准涵盖了XML在包装、文件格式、帧率和调速、编辑播放列表和包装清单等方面的使用。
Not only can it convert from one video format to another, but it can also take frame snapshots and thus provide a thumbnail of the video before customers view it.
它不仅能把一种视频格式转化成另一种,还能拾取画面的快照从而为用户提供视频缩略图。
Typically there is no need to have an extra style sheet for a frame if the output format is less complex than HTML, such as WML.
如果输出格式没有HTML那样复杂(例如WML),则通常没有必要对框架使用额外的样式表。
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