英文拼寫:
- frequency modulation (FM); frequency adjustment短語(yǔ)調(diào)頻波段分配frequency-modulation allocation調(diào)頻磁帶錄音機(jī)F.M. magnetic tape recorder調(diào)頻磁控管frequency-modulated magnetron調(diào)頻電臺(tái)FM radio station調(diào)頻發(fā)射機(jī)F.M. transmitter調(diào)頻發(fā)射機(jī)綜合測(cè)試儀panalyzor調(diào)頻反饋解調(diào)器FMFB demodulator調(diào)頻負(fù)反饋nega
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