英文關鍵字
air
aircraft
airplane
airport
antenna
aviation
building
clouds
construction
day
daylight
detection
electronics
equipment
field
grass
house
ladder
locate
location
machine
modern
moscow
motion
nobody
noone
observe
outdoor
outside
part
plane
radar
radio
radiolocation
runway
russia
sensor
sheremetyevo
sky
stairs
station
summer
sunny
system
tail
technical
technology
wing
wireless