伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。
The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.
本文介绍了工作于交流电网中线性负载有效值电压线性控制器的设计。
This paper discusses the design method of an effective voltage linearity controller of linear load working in AC power networks.
图25是一个平均值输出，有效值刻度的交流电压表头放大电路。
The circuit shown in Figure 25 is the heart of an average reading, rms calibrated AC voltmeter.
图25是一个平均值输出，有效值刻度的交流电压表头放大电路。
The circuit shown in Figure 25 is the heart of an average reading, rms calibrated AC voltmeter.
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