额定输入功率或额定电流的上限值和下限值应标在器具上，以使得输入功率与电压之间的关系是明确的。
The upper and lower limits of the rated power input or rated current shall be marked on the appliance so that the relation between input and voltage is clear.
该方法适合对容量、负荷工作特性和谐波发射特性不同的负荷谐波(电压和电流)限值的确定。
It is available for specifying the harmonic emission (voltage or current) limits from distorting loads concerned with the capacity, operation and harmonic nature.
电容电压与电感电流不能跃变的换路定率，是在电容电流与电感电压为有限值情况下推导出来的。
The law that the voltage on a capacitance and the current in a inductance can't leap is deduced in the case that the voltage and the current are finite.
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