The coded signal transmitted by the _______ mounted on the radar antenna, causes the aircraft transponder to reply automatically with a specific coded signal.
A.decoder
B.radarscope console
C.interrogator
D.reflector
正确答案是C
The coded signal transmitted by the _______ mounted on the radar antenna, causes the aircraft transponder to reply automatically with a specific coded signal.
A.decoder
B.radarscope console
C.interrogator
D.reflector
正确答案是C