 |
|
Signal Frequency : 184 phrases in 33 subjects |
| Acoustics | 1 |
| Air defense | 1 |
| Astronautics | 2 |
| Automated equipment | 2 |
| Aviation | 2 |
| Bioacoustics | 1 |
| Communications | 2 |
| Electronics | 19 |
| General | 1 |
| Geophysics | 14 |
| Household appliances | 3 |
| Information security and data protection | 1 |
| Information technology | 1 |
| Makarov | 10 |
| Mass media | 16 |
| Mathematics | 1 |
| Measuring instruments | 1 |
| Medical appliances | 1 |
| Microelectronics | 1 |
| Military | 9 |
| Nanotechnology | 5 |
| Nautical | 1 |
| Optics branch of physics | 1 |
| Physics | 1 |
| Programming | 2 |
| Quantum electronics | 1 |
| Radio | 19 |
| Radioengineering | 3 |
| Radiolocation | 3 |
| Soviet | 1 |
| Space | 4 |
| Technology | 33 |
| Telecommunications | 21 |