智能型真有效值电压监测仪，采用AT89C52单片机，在一个周期内对电网电压等间距采样N次。
Singlechip AT89C52 was adopted by intelligent real available value voltage-monitoring apparatus to sample N times for the electrical network voltage between equal spaces in one cycle.
智能型真有效值电压监测仪，采用AT89C52单片机，在一个周期内对电网电压等间距采样N次。
Singlechip AT89C52 was adopted by intelligent real available value voltage-monitoring apparatus to sample N times for the electrical network voltage between equal spaces in one cycle.
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