ratiometer
名词 n.
英文释义
名词 n.
- A measurement device used in ohmmeters, having two coils, one connected via a series resistor to the battery supply and the other connected to the same battery supply via a second resistor and the resistor under test. The indication on the meter was proportional to the ratio of the currents through the two coils.
词形变化
词源
From ratio + meter.
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数据来源: Wiktionary