燈頻率調頻頻率amplitude modulationfrequency modulation: 調幅調頻frequency modulationfrequency modulation: 調頻調頻modulationmodulator: 調制調制器modulationfactor: 燈系數modulationofbeamintensity: 射線強度的調制下載手機詞典可隨時隨地查詞查翻譯