audio-frequency spectrometer 声频频谱仪

radio frequency spectrometer 射频波谱仪

audio frequency spectrometer 声频频谱仪 ; 声频谱仪

radio-frequency spectrometer [光] 射频分光计 ; 射频谱仪

Radio- frequency mass spectrometer 射频质谱仪

linear radio-frequency mass-spectrometer 线性射频质谱仪 ; 直线高频质谱仪

eighteen stage radio-frequency mass spectrometer 十八级射频质谱计

radio frequency quadrupole mass spectrometer 射频四极矩质谱计

Bennett radio-frequency mass spectrometer 贝内特射频质谱计