波は長ちょう計けいはちょうけいMeanings1nounwavemeterA measuring instrument used to determine the wavelength of electromagnetic waves, especially in radio and microwave engineering.波は長ちょう計けいを使つかって、アンテナの共きょう振しん周しゅう波は数すうを測そく定ていした。I measured the resonant frequency of the antenna using a wavemeter.
