The structure and network of different cities have common views as well as their uniqueness.

不同城市的构造和内部网络既有共性，也有独特性。

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Now in the paper, several views on safety management of computer network information are presented.

本文就计算机网络信息的安全管理谈几点看法。

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Now in the paper, several views on safety management of computer network information are presented.

本文就计算机网络信息的安全管理谈几点看法。

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