英文關鍵字
telecommunication
towers
tv
antennas
satellite
dish
foggy
morning
mountain
global
steel
signal
structure
industry
radio
transmission
aerial
antenna
background
broadcast
broadcasting
building
communication
connection
construction
data
electricity
electromagnetic
electronic
engineer
equipment
exploration
frequency
industrial
information
internet
mast
microwave
network
object
observatory
radar
science
scientists
season
shadow
silhouette
sky
system
tablet
technology
telephone
tower
transmitter
wireless
work