... 3 . 8 总不确定度e overall uncertainty e 3 . 9 . 1 额定电压或电流rated voltage or current 3 . 9 . 2 使用时间（对交流或直流电压）operating time ...
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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.
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。
Safety use of capacitor must be within the rated voltage(or category voltage)and the permissible current.
电容器安全使用条件不仅受额定电压（或类别电压）的限制，而且受额定电流的限制。
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