FM

abbreviation
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  1. 🔊/ˌef ˈem/
    🔊/ˌef ˈem/
    frequency modulation调频
    (a method of broadcasting high-quality sound by radio)
    • Radio 1 FM无线电调频 1 台
    Topics TV, radio and newsc1
  2. (in writing) field marshal陆军元帅