radio and television university
无线电通信业务
radio communication service【通信】
暂无补充释义。
相关词条
radio beacon
solid-state radio engineering【电子】
radio spectrum
radio link【通信】
radio
UHF mini-trunking radio system
radio beacon
radio communication service【通信】
暂无补充释义。
radio and television university
radio beacon
solid-state radio engineering【电子】
radio spectrum
radio link【通信】
radio
UHF mini-trunking radio system
radio beacon