本体控制系统的某些重要数据不能通过网络实现异地存储，各操作站之间不能实现资源共享。
The some important data of the body control system can't storage on the other computer through the network, each of operation station can't share the resource.
不但提高了系统的可靠性，而且实现了方便快捷地存储查询信息、异地远程监控功能。
It not only enhances the system reliability, but also realizes conveniently quickly to save the inquiry information, and the different long-distance monitoring function.
大型分布式系统通常需要在异地的数据库中存储同一数据的不同副本，不同副本之间需要维护数据的一致性。
Different copies of data should be stored in different databases in the large-scale distributed system, and data consistency of different copies should be maintained.
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