求翻译：本文从计算机网络面临的各种安全威胁，系统地介绍网络安全技术。并针对校园网络的安全问题进行研究，首先分析了高校网络系统安全的隐患，然后从构建安全防御体系和加强安全管理两方面设计了校园网络的安全策略。是什么意思？

In this paper, various security threats facing computer networks, and systematic introduction to network security technology. And security issues for the campus network, the first university network system security risks and design of the campus network security policy, and then from the two aspects

This article from computer networks are facing a variety of security threats, the system in the network security technology. And to the campus network security issues for research and analysis of the first colleges and universities system network security risks, and then from building security and d

This article each kind of safe threat which faces from the computer network, introduces the network security technology systematically.And aims at the campus network the security problem to conduct the research, first has analyzed the university network system safety hidden danger, then has designed

This article from the various security threats to computer networks, system introduction to network security technologies. And research on campus network security issues, begins with an analysis of University's network systems security vulnerability, and then from building security defensive system,

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