- frequency modulation method
- 调频: frequency modulation; freque ...
- 法: law
- 调频: frequency modulation (fm); frequency adjustment◇调频磁带录音机 f.m. magnetic tape recorder; 调频电台 fm radio station; 调频广播 fm broadcast; 调频广播波段 frequency-modulation broadcast band; 调频接收机 frequency-modulation receiver; fm receiver; fremodyne; 调频立体声 fm stereo
- 变频法: frequency variation method; variable-frequency method
- 低频法: low frequency method
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