signal wave: 31 phrases in 14 subjects |
Automated equipment | 2 |
Electronics | 2 |
Geophysics | 3 |
Household appliances | 1 |
Information technology | 2 |
Makarov | 5 |
Mass media | 4 |
Metrology | 1 |
Military | 1 |
Nautical | 2 |
Navigation | 1 |
Radio | 1 |
Technology | 3 |
Telecommunications | 3 |