The friend is media, also have certain knowledge to the network.
朋友是媒体的，对网络也有一定的知识。
The knowledge from the library services starting to study digital media knowledge management mechanism.
从图书馆的知识服务出发，来研究数字媒体的知识管理机制。
The knowledge from the library services starting to study digital media knowledge management mechanism.
从图书馆的知识服务出发，来研究数字媒体的知识管理机制。
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