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单词 cavity tuning
释义 cavity tuning
[`kav·ǝd·ē ´tün·iŋ]
ELECTROMAGNETISM
Use of an adjustable cavity resonator as a tuned circuit in an oscillator or amplifier, with tuning usually achieved by moving a metal plunger in or out of the cavity to change the volume, and hence the resonant frequency of the cavity.
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