direct-current volts 直流电压
direct current volts 直流电压
Volts Direct Current 直流电压
direct current working volts 直流工作电压
volts direct-current working 直流工作电压
VAC Volts Alternating Current 交流电 ; 伏特交流电 ; 交流电压
LED's require resistors to control current when used with batteries rated at over 2 volts.
当使用2伏以上的电池时，需要使用额外的电阻来帮助控制电流。
The team has a device that integrates hundreds of nanowires into an array, giving an output current of about 100 nano-amps at 1.2 volts.
该小组利用一个装置，将数百根纳米线集合排列，每1.2伏特可产生约100纳米安培的输出电流。
Five nanogenerators working together produced about 1 micro ampere output current at 3 volts about the same voltage generated by two regular AA batteries.
5个纳米发电机同时工作可以产生1微安培3伏特的输出电流，与2节普通的5号电池所产生的电压差不多。
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