SD Switched or Selection Diversity 交换或选择分集 SDB Service Data Base 业务数据库 SDCCE Synchronous Digital Cross Connect Equipment 同步数字交叉连接设备 ..
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Codd考虑的是业务数据库和财务记录。
Codd was thinking about business data like inventories and financial records.
文章以广域水质自动监控系统业务数据库为数据来源，研究了基于OLAP和数据仓库的智能报表系统(IRS)及其实现。
By using the business database of wide-area water quality auto-monitoring system as data source, we researched IRS and its implementation based on OLAP and data warehouse (DW).
业务服务：数据库连接。
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