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可伸缩性是MPEG-2标准与MPEG-1标准相比最大的区别之一。本文重点讲述了MPEG-2标准的可伸缩特性。
Scalability is one of the biggest differences between the MPEG-2 standard and the MPEG-1 standard. This article focuses on the scalable nature of the MPEG-2 standard.