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单词 varactor
释义

WordReference Random House Unabridged Dictionary of American English © 2024
va•rac•tor  (və rak′tər),USA pronunciation n. 
  1. Electronicsa semiconductor diode whose capacitance changes to match applied voltage, used to tune circuits by varying the reactance.
  • var(iable re)actor 1955–60

Collins Concise English Dictionary © HarperCollins Publishers::
varactor /ˈvɛəˌræktə/ n
  1. a semiconductor diode that acts as a voltage-dependent capacitor, being operated with a reverse bias
Etymology: 20th Century: probably a blend of variable reactor
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更新时间：2025/2/23 14:44:01