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科学时代收录了3405121条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。

frequency counter frequency counter delay frequency count heuristic Frequency curve frequency curve
frequency curve fitting frequency cutoff frequency data frequency decay frequency deceleration
frequency decorrelation frequency decrease frequency demodulation Frequency demodulation frequency demultiplier
frequency demultiplier; frequency divider frequency density frequency departure Frequency dependence frequency dependence
Frequency dependence of capacitance Frequency dependency frequency dependent frequency dependent bridge frequency-dependent coding
frequency dependent coding Frequency dependent drain conductance frequency dependent IQ imbalance frequency-dependent selection Frequency detection
frequency detection frequency detection system frequency detector frequency detuning Frequency detuning
frequency deviation frequency deviation meter frequency deviation ratio frequency diagram frequency dictionary
frequency difference frequency difference meter frequency difference multiplier frequency-direction spectrum frequency discount
frequency discrimination frequency discrimination telegraph frequency discriminator frequency discrinimator Frequency dispersion
frequency dispersion Frequency distortion frequency distortion frequency distribution Frequency distribution
frequency distribution curve frequency distribution function frequency distribution histogram Frequency distribution table frequency distribution table
frequency disturbance frequency diversity frequency-diversity frequency diversity radar frequency diversity reception
frequency diversity transmission mode frequency diviation frequency divider frequency divider{=FD} frequency division
frequency division CDMA{=FDCDMA} frequency division command frequency division data link{=FDDL} frequency division duplex frequency division duplex{=FDD}
frequency division duplexing frequency division modulation frequency division modulation{=FDM} frequency division multiple access frequency division multiple access{=FDMA}
Frequency Division Multiple Access{=FDMA} frequency division multiple access {=FDMA} Frequency Division Multiple Acess System {=FDMA} frequency division multiple address{=FDMA} frequency-division multiplex
frequency division multiplex frequency division multiplex equipment{=FDME} frequency division multiplexer{=FDM} frequency division multiplexer/multiplexing{=FDM} frequency division multiplex{=FDM}
frequency division multiplex (FDM) frequency division multiplexing access frequency division multiplexing access {=FDMA} frequency division multiplexing {=FDM} frequency division multiplexing{=FDM}
frequency division multiplexing index modulation frequency division multiplexing limitations frequency division multiplexing wireless communication system frequency division switching system frequency division system
frequency division telemetry frequency division vector quantization frequency domain Frequency domain frequency-domain analysis
frequency domain analysis frequency-domain analyzer frequency-domain automatic network analyzer{=FDANA} frequency domain automatic network analyzer{=FDANA} frequency-domain beamforming
frequency domain calibration frequency domain channel frequency domain coding frequency domain coefficient frequency domain convolution
frequency domain criterion frequency-domain electromagnetic system frequency domain equalization frequency domain equalizer frequency-domain equalizer
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