предварительный сигнал: 39 phrases in 16 subjects |
Astronautics | 1 |
Aviation | 1 |
Computers | 1 |
Electronics | 4 |
Energy industry | 2 |
General | 1 |
Hi-Fi | 2 |
Makarov | 1 |
Mass media | 11 |
Microsoft | 1 |
Military | 1 |
Security systems | 1 |
Signalling | 1 |
Technology | 7 |
Telecommunications | 3 |
Transport | 1 |