The service information (SI) is the data used to describe transport system, transport content and data stream time table, and also is the additional data used to complement MPEG-2 PSI.
业务信息（SI ）是用来描述传送系统、传送内容和广播数据流时间表等的数据，是补充MPEG 2节目说明信息（PSI）的附加数据。
The service information (SI) is the data used to describe transport system, transport content and data stream time table, and also is the additional data used to complement MPEG-2 PSI.
业务信息（SI ）是用来描述传送系统、传送内容和广播数据流时间表等的数据，是补充MPEG 2节目说明信息（PSI）的附加数据。
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