振動者,發振器,振動器
Oscillator \Os"cil*la`tor\, n. One that oscillates; specif.: (a) (Elec.) Any device for producing electric oscillations; esp., an apparatus for generating electric waves in a system of wireless telegraphy. (b) (Mech.) An instrument for measuring rigidity by the torsional oscillations of a weighted wire.
oscillator n : generator that produces sonic oscillations or alternating current