英文關鍵字
radar
technology
radio
aircraft
air
military
space
army
war
broadcast
digital
signal
communication
base
antenna
security
monitor
system
satellite
station
navigation
defence
network
observatory
observation
locator
contact
searching
research
information
receiver
dish
discovery
exploration
scientific
soviet
discover
telescope
science
workplace
hardware
lights
buttons
green
hud
coldwar
rotation
vintage
old
computer
creative
artwork
decoration
concept
style
dishes
antennas
against
control
equipment
low
key
selective
focus