英文關鍵字
surveillance
cable
technology
equipment
radio
network
media
television
data
connection
coaxial
telecommunications
broadcasting
fog
dish
tower
steel
business
reception
wave
tall
frame
mobile
architecture
winter
outdoors
microwave
wireless
multiple
drum
aerial
frequency
cableway
radiation
repeater
blue
mountain
sky
global
receiving
snow
phone
industry
communication
antenna
modem
broadcast
server
centre
telephone