单词	同核导构性
释义	同同素导性--同核导构性--同分导构性
随便看	frequency bar chart frequency behaviour frequency bend frequency-- betatron oscillation frequency bias frequency bimirror frequency booster frequency-- break frequency breakdown frequency bridge frequency calibration frequency calibration reference frequency capacitor multiplier frequency carrier frequency center frequency chain frequency-change oscillator frequency-change-over switch frequency changer frequency-changer crystal frequency changer-- frequency converter frequency changer; frequency converter frequency changer-over switch frequency changer set frequency changer，fc