Noun:

1. a unit of potential equal to one millionth of a volt

micropsyn.视物显小症microadj.微小的pref.表示"微小；百万分之一"microterminaln.微终端micro-fauna微型土壤动物Microvillares微绒毛的microbial oil微生物油脂microdropletsn.微滴microstruture微结构micro driving微驱动microdialysls微透析microphyllineadj.果小型的micro-basin微平原

1. Because of the low test current level used, a very sensitive voltmeter is required to measure the voltage drop, which is usually in the microvolt range.
   由于所使用的测试电流很低，所以就需要非常灵敏的电压表来测量这种通常在微伏范围的电压降。