答询机 transponder

空用雷达答询器 airborne radar transponder

自动回答询问 [计] automatic response query

尾接应答询问 [计] cue-response query

上的微波答询器 transponder or tag

传真答询 FOD

答复询价 Replies to Inquires ; Reply to Inquiry ; offering a reply

询盘及答复 Inquiry and Reply ; Inquiries and Replies ; Inquiry and Response

音响询答机 acoustic transponder

询问应答机 [电讯] interrogator