The major difficulties in VOD teaching system lie in the synchronization of media and VOD servers.

VOD教学系统中各媒体流同步和VOD服务器群是设计和实现的主要难点。

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The major difficulties in VOD teaching system lie in the synchronization of media and VOD servers.

VOD教学系统中各媒体流同步和VOD服务器群是设计和实现的主要难点。

youdao