单词	热区域
释义	热区域hot zone
随便看	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 frequency changer，frequency converter