сигнал отбоя | |
gen. | all-clear; all clear signal; all clear |
mil. | ringing-off signal; curfew for troops |
воздушная тревога | |
gen. | anti-aircraft alarm |
сигнал отбоя: 18 phrases in 12 subjects |
Air defense | 1 |
Aviation | 1 |
Communications | 1 |
Computer networks | 1 |
General | 2 |
Information technology | 2 |
Military | 2 |
Oil / petroleum | 1 |
Security systems | 1 |
Technology | 2 |
Telecommunications | 2 |
Telephony | 2 |