自动记录电流计
automatic current recording meter
饱和记录电流
saturation recording current
充电电流计算方法
charge current calculation method
垂直电流记录器
vertical-current recorder
大代耳热电电流计
Duddell’s thermo-galvanometer
thermo-galvanometer
Duddell’s
电流－电流转换器
current-current converter
光电电流计
photoelectric galvanometer
光电流记录
photogalvanometric registration
交流电流计
alternating current ammeter
AC galvanometer
alternating current meter
ac meter
静电电流计
electrostatic galvanometer