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Terms for subject Earth sciences containing 调频 | all forms | in specified order only
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变频调制modified frequency modulation
振幅/频率调制amplitude/frequency modulation
线性调频linear frequency modulated
线状频数调制linearly frequency modulated
脉冲调幅-调频pulse amplitude modulation-frequency modulation
脉冲频率调幅pulse frequency modulation
脉宽调制和频率调制pulse-duration modulation and frequency modulation
自动频率微调automatic frequency control
调谐射频tuned radio-frequency
调频平均温度计frequency-modulated mean temperature meters
调频断续波frequency modulated, interrupted, continuous wave
调频用石英frequency-modulated quartz
调频-调幅frequency modulation-amplitude modulation
调频-调相frequency modulation-phase modulation
调频连续波雷达frequency modulated continuous waves
连续传输调频continuous transmission frequency modulation
连续透射调频continuous transmission frequency modulation