frequency-controlled thyristor motor ==> 頻率控制閘流晶體管電動(dòng)機(jī)
frequency controller ==> 頻率調(diào)節(jié)器
frequency conversion ==> 變步,頻率轉(zhuǎn)換
frequency-conversion crystal ==> 變頻晶體
frequency conversion effect ==> 變頻效應(yīng)
frequency converter ==> 變頻器,變頻機(jī)
frequency-converter ==> 變頻器
frequency converter of laser radiation ==> 激光輻射變頻器
frequency converter set ==> 變頻機(jī)組
frequency converter substation ==> 變頻站
frequency converter tube ==> 變頻管
frequency convolution theorem ==> 頻率卷積定理
frequency correction ==> 頻率校正
frequency corrector ==> 頻率校正器
frequency counter ==> 頻率計(jì)
frequency counting ==> 頻率計(jì)數(shù)
frequency crossing ==> 頻率交叉
frequency curve ==> 頻率曲線
frequency cutoff ==> 頻率截止
frequency decay ==> 頻率下降,頻率衰減
frequency deceleration ==> 頻率減慢
frequency demodulation ==> 頻率解調(diào),鑒頻
frequency demodulator ==> 頻率解調(diào)
frequency demultiplication ==> 分頻
frequency demultiplier ==> 降頻器,分頻器
frequency density ==> 頻率密度
frequency dependence ==> [與]頻率相關(guān)
frequency detection ==> 頻率檢波
frequency detector ==> 檢頻器
frequency deviation ==> 頻率偏移,頻移,頻差
frequency device ==> 頻率敏感元件
frequency diagram ==> 頻率圖,頻率圖解
frequency difference ==> 頻差
frequency-difference detector ==> 頻差檢波器
frequency difference resonance ==> 頻差共振
frequency discontinuity ==> 頻率突變
frequency discriminating circuit ==> 鑒頻電路
frequency discriminating optical chopper ==> 鑒頻光學(xué)限制器
frequency discrimination ==> 鑒頻
frequency-discrimination ==> 頻率鑒別
frequency discrimination telegraph ==> 鑒頻式電報(bào)
frequency discriminator ==> 鑒頻器
frequency dispersion ==> 頻散
frequency distortion ==> 頻率失真,頻率畸變
frequency distrbution ==> 頻率分布
frequency distribution ==> 頻率分布,頻數(shù)分布,次數(shù)分布
frequency-distribution curve ==> 頻率分布曲線
frequency distribution table ==> 頻數(shù)分布表
frequency diversity ==> 頻率分集
frequency diversity radars ==> 頻率分集雷達(dá)
frequency divider ==> 分頻器
frequency divider stage ==> 分頻級(jí)
frequency dividing circuit ==> 分頻電路
frequency dividing ratio ==> 分頻比
frequency division ==> 分頻,頻率劃分
frequency-division audiometer ==> 分頻聽(tīng)力計(jì)


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