英文關鍵字
aerial
antennae
antennas
array
automated
broadcasting
camouflaged
communications
data
defense
dish
electromagnetic
electronic
emitter
equipment
forest
listening
metallic
military
modern
mountains
network
objective
orientation
parabolic
power
radio
receiver
remote
restricted
satellite
spectrum
spying
station
strategic
surveillance
technology
tower
transmission
view