外部链接:
英德
有道
百度
谷歌
图片
维基
百科
frequency controller
频率控制[调节]器
frequency controller
frequency conversion
frequency conversion ...
frequency conversion ...
frequency converter
frequency converter c...
frequency converter tube
frequency converter TWT
frequency converters
frequency convertor
frequency convolution...
frequency coordination
frequency correction
frequency corrector
frequency counter
frequency coverage
frequency crossing
frequency curve
frequency curve chart
frequency cutoff
frequency deceleration
frequency decorrelation
frequency demodulation
frequency demultiplic...
frequency demultiplier
frequency density
frequency departure
frequency dependent c...
frequency detection
frequency detector
frequency detuning
frequency deviation
frequency deviation m...
frequency deviation m...
frequency deviation o...
frequency deviation o...
frequency deviation r...
frequency device
frequency diagram
frequency dial
frequency difference
frequency difference ...
frequency directing
frequency directing d...
frequency discontinuity
frequency discrimianator
frequency discriminat...
frequency discriminat...
frequency discriminat...
frequency discrimination
frequency discriminat...
frequency discriminator
frequency dispersion
frequency distortion
frequency distribution
frequency distributio...
frequency distributio...
frequency diversity
frequency diversity r...
frequency divider
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