Traditionally, a BI data warehouse receives data from source systems (usually the operational online transaction processing [OLTP] systems) but never provides data back to them.
传统上，BI数据仓库从源系统(常常是操作性联机事务处理[oltp]系统)接收数据，但是从不向它们返回数据。
A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.
提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。
A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.
提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。
应用推荐