Voltage is one of the main targets of measuring the quality of power.
电压是衡量电能质量的主要指标之一。
Measuring DC voltage and current, the LED display, and display power.
测量直流电压电流，在数码管上显示，并且可显示功率。
The compensatory method is a method of measuring electric voltage.
补偿法是精确测量电压的一种测量方法。
The compensatory method is a method of measuring electric voltage.
补偿法是精确测量电压的一种测量方法。
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