含有计算机病毒，可能危害计算机系统安全的。
权限管理问题一直是计算机系统安全研究和应用的热点之一。
Privilege management is always an important problem of computer system security researches and applications.
目前，病毒已成为困扰计算机系统安全和计算机应用的重要问题。
At present, the virus has become the puzzle computer system security and the computer application important question.
计算机系统和网络的安全是分布式数据库系统安全的基础。
Computer system and network security are basis of security of distributed database system.
计算机系统和网络的安全是分布式数据库系统安全的基础。
Computer system and network security are basis of security of distributed database system.
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