radio-spectrum

英['reɪdiːəʊsp'ektrəm] 美['reɪdiːəʊsp'ektrəm]
  • n.射频频谱
  • gonioscope [医]前房角镜
  • radio n.收音机;无线电v.用无线电通讯
名词 radio spectrum:
  1. the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television