Time marker-based comment system. Pause the video at an interesting moment and add your comment, and it will appear as that frame is displayed on playback.

基于时间标记的评论系统，可以把录像暂停在某个有趣的时刻，添加评论，这些评论在回放时就会出现。

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Its properties are analyzed, such as code efficiency, error Bit rate, power spectrum, the acquisition probability of the first frame marker.

分析了其特性，包括编码效率、误码特性、功率谱、帧同步一次通过捕获特性等。

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Text analysis proves that the semantic space of a prepositional phrase can set up a textual frame and further functions as a textual marker.

语篇分析证实，介词短语的语义空间可以营造语篇架构，行使语篇标记功能。

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