principal wave〔名词〕主波,基波详细»
principal wave〔名词〕主波详细»
principal wave〔名词〕主波详细»
principal wave〔名词〕主波详细»
基波first harmonic;fundamental harmonic;fundamental wave详细»
基波first harmonic;fundamental harmonic;fundamental wave详细»
基波first harmonic;fundamental wave详细»
基波firstharmonic;fundamental carmonic;fundamental oscillation;fundamental wave详细»
基波first harmonic;superior wave详细»