英文關鍵字
air
aircraft
airplane
airport
antenna
broadcast
cloud
commerce
commercial
communicate
communication
connection
contact
control
definition
electronic
equipment
exploration
flight
force
global
high
industrial
information
landing
metal
military
navigation
object
plane
radar
radio
remote
rotate
satellite
silhouette
sky
spin
station
sun
sunset
technology
telecommunications
tower
traffic
transmit
transmitter
turn
twilight
wave