frequency theory of probability [數(shù)學(xué)]頻數(shù)概率論概率的頻率論概率的頻率理論frequency synthesizer [電子] 頻率合成器frequency synchronization [電子、通信與自動控制技術(shù)]頻率同步載波同步跳頻同步[計算機(jī)科學(xué)技術(shù)]頻率同步frequency sweep 頻率掃描frequency staggering [電子、通信與自動控制技術(shù)]頻帶參差頻率參差[機(jī)械工程]頻帶參差frequency stabilizer 穩(wěn)頻器frequency stabilization system 穩(wěn)頻系統(tǒng)frequency stabilization [電子、通信與自動控制技術(shù)]穩(wěn)頻頻率穩(wěn)定[航空、航天科學(xué)技術(shù)]穩(wěn)頻frequency spectrum detail analysis [電子、通信與自動控制技術(shù)]頻譜細(xì)化frequency spectrum [物] 頻譜；頻率譜frequency shift modulation system [經(jīng)濟(jì)學(xué)]移頻調(diào)制方式frequency shift key [計算機(jī)科學(xué)技術(shù)]頻移鍵控frequency shift converter [電子、通信與自動控制技術(shù)]頻移變換器[機(jī)械工程]頻移轉(zhuǎn)換器frequency shift compensation [經(jīng)濟(jì)學(xué)]移頻補(bǔ)償frequency shift [電子] 頻移frequency setting drift [動力與電氣工程]頻率定值漂移[經(jīng)濟(jì)學(xué)]頻率定值漂移frequency separation multiplier 頻率分離式乘法器frequency selector [醫(yī)藥科學(xué)]選頻器frequency selective characteristic [醫(yī)藥科學(xué)]頻率選擇特性frequency scrambler 倒頻器