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|
frequency scanning : 75 phrases in 18 subjects |
| Air defense | 5 |
| Antennas and waveguides | 2 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Computers | 2 |
| Electronics | 7 |
| General | 1 |
| Information technology | 2 |
| Makarov | 1 |
| Mass media | 4 |
| Military | 14 |
| Radioengineering | 5 |
| Radiolocation | 1 |
| Space | 4 |
| Technology | 17 |
| Telecommunications | 5 |
| Television | 2 |
| Water resources | 1 |