The historical trend station is used to store historical data,generally using a disk array(called RAID technology).
The dynamic data server is the interface between DCS and MIS system,and it is also the isolation device between DCS and Web.
历史趋势站用于存储历史数据，一般用磁盘阵列（称为RAID技术）。
动态数据服务器是DCS和MIS系统的接口，也是DCS和Web的隔离设备。
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