英文關鍵字
air
antenna
bearing
communication
communications
control
defense
detail
detection
detector
electronics
equipment
military
missile
nautical
navy
power
radar
radio
relocation
scanning
sea
search
sky
technology
war
warship
wave
英文關鍵字
air
antenna
bearing
communication
communications
control
defense
detail
detection
detector
electronics
equipment
military
missile
nautical
navy
power
radar
radio
relocation
scanning
sea
search
sky
technology
war
warship
wave