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transducer

noun
🔊/trænzˈdjuːsə(r)/
🔊/trænzˈduːsər/
 (specialist)
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  1. a device for producing an electrical signal from another form of energy such as pressure换能器；变换器Topics Engineeringc2
    Word Origin1920s: from Latin transducere ‘lead across’ (from trans- ‘across’ + ducere ‘lead’) + -er.