The structure of the 4th edition of MPEG-4 video verification model and the main coding tools and algorithms are described.

文中描述了第四版MPEG-4视频验证模型的结构及其提供的主要编码工具和算法。

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Note that the 3rd edition of readings in Database Systems is a substantially different text (it does not include the same readings as the 4th edition).

留意《数据库系统阅读资料》第三版和第四版大不相同(两版的内容不同)。

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Ever since its establishment, the Quality Management Department has finished numbers of compiling and revising works on the management system since the 4th edition.

成立至今，质量管理科自第四版起先后完成了多版管理体系文件的编制修订；

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This 4th edition directly reports from the regions, highlighting hotspots, and has been mainstreamed for gender equality, which is addressed as a critical issue.

UNESCO: MEDIA SERVICES