automatic frequency fine control locking-in range
automatic frequency fine control pull-in range
automatic frequency fine control pull-in time
automatic frequency fine control residential error
Automatic Frequency Tuning
Coarse and fine frequency tracking
Fine Frequency Acquisition
fine frequency estimation
Freqency Fine Adjustment Machine
Frequency tuning
频率调谐
频率修调
调频
频率调节
变频
光栅选支
频率党
调谐
frequency tuning thickness
High frequency fine screen
high-frequency tuning amplifier
Middle frequency-frequency convertor