本文设计了在电能质量监测系统中，起至关重要作用的信号采集电路。
The paper deals with the signal acquisition circuit, which is very important for the power quality monitoring system.
变电工程主控要点为安全、质量、成本、工期控制，项目部在整个过程控制中起至关重要的作用。
The safety, quality, cost and time are the key points in an electric power transformation engineering, the project division has play a vital role in the whole course.
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