| 单词 | magnetic amplifier |
| 释义 | magnetic amplifier in American English a sensitive device that controls the flow of an alternating current by applying a weak signal to the windings of its magnetic core magnetic amplifier in American Englishnoun Electricity an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding |
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