英文關鍵字
aerial
antenna
broadcast
cell
cellular
cloud
communications
engineering
hd
hdtv
hidef
mobile
phone
radiation
radio
technique
technology
telecommunication
tower
transmission
transmit
transmitter
英文關鍵字
aerial
antenna
broadcast
cell
cellular
cloud
communications
engineering
hd
hdtv
hidef
mobile
phone
radiation
radio
technique
technology
telecommunication
tower
transmission
transmit
transmitter