The top-down approach is to implement the data warehouse in a single project phase.
自顶向下的方法就是在单个项目阶段中实现数据仓库。
Don't just think of what will happen during a single phase!
不要仅仅考虑单一阶段中将要发生的事情。
This paper presents a new single phase controlled rectification circuit.
本文提出一种新型单相可控整流电路。
A new plan of current control by using a single phase switching rectifier is presented.
介绍一种新型单相开关整流器的控制方案。
A new plan of current control by using a single phase switching rectifier is presented.
介绍一种新型单相开关整流器的控制方案。
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