识别信号、询问信号和回答信号英文词汇分别为()。
A、identit ysignal、reply signal、interrogation signal
B、interrogation signal、identity signal、reply signal
C、identity signal、interrogation signal、reply signal
D、reply signal、identity signal、interrogation signal
A、identit ysignal、reply signal、interrogation signal
B、interrogation signal、identity signal、reply signal
C、identity signal、interrogation signal、reply signal
D、reply signal、identity signal、interrogation signal
A、测试询问产生、测试信号的RF调制和衰减、回答定时、同步检测、参数测量和监视 B、测试询问产生和定时、回答检测、同步检测、参数测量和监视 C、测试询问产生和定时、测试信号的RF调制和衰减、全部回答定时、同步检测、参数测量和监视 D、测试询问产生和定时、测试信号的RF调制和衰减、全部回答脉冲的检测、同步检测、参数测量和监视