A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.

 
  • 無(wú)線(xiàn)方向探測器一種無(wú)線(xiàn)電接收和指向天線(xiàn)系統,用來(lái)確定收到的無(wú)線(xiàn)電信號的角方向
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan