“MPEG-21标准”的概念、定义、翻译、参考文献-科学参考

单词	MPEG-21标准
释义	MPEG-21标准 Encyclopedia 理学多媒体信息系统释 MPEG-21 StandardMPEG-21标准 MPEG-21标准即ISO/IEC 21000标准，于2000年6月被正式提出，还在制定过程中。其目标是为未来多媒体的应用提供一个完整的开放框架，因此也被正式称为多媒体框架（multimedia framework）。
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