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.
系统安全是大型数据库系统设计中的一个重要问题。
System security is one of the chief problems in large-scale database design.
系统安全是大型数据库系统设计中的一个重要问题。
System security is one of the chief problems in large-scale database design.
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