图书馆利用计算机网络进行编目是时代的需要，是实现文献资源共享的基础。
It is the needs of times that the library USES the computer network to be made a catalogue, and is the foundation realizing the document resource sharing.
计算机网络的主要目的是资源共享、并行计算、冗余。
The main objectives of computer networks are resource sharing, parallel computation and redundancy.
资源共享是设置一般性计算机网络的主要目的。
Resource sharing is the primary goal of designing generalized computer networks.
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