The application of optical fiber communications in university security precaution system is described generally.
概述了光纤通信在高校安全防范系统中的应用。
The category of the security of information system is classified. With each kind of attack principle analysed, the precaution measures and the solutions are brought up.
对信息系统安全种类进行了划分，对各种攻击原理进行了分析并提出了防范措施和解决方案。
Therefore, the most urgent key project for us to study is to solve how to take advantage of security technology precaution, to construct an effective multiple precaution panic alarm system.
因此，如何利用安全技术防范的优势，构建起有效的社区安全防范综合报警服务体系，就成了当前迫切需要研究和解决的重要课题。
The system comprises four modules: an identity verification module, a security precaution module, a game updating module and an online game service module.
该系统包括四个模块：身份验证模块、安全预防模块、游戏更新模块，以及在线游戏服务模块。
The New York police department says there has been no specific threat against the city's subway system, but additional security has been put in place as a precaution.
纽约警察局表示，目前该市地铁系统还没有受到明确的威胁，但是已经采取了预防措施，增派了安全力量。
The New York police department says there has been no specific threat against the city's subway system, but additional security has been put in place as a precaution.
纽约警察局表示，目前该市地铁系统还没有受到明确的威胁，但是已经采取了预防措施，增派了安全力量。
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