 |
| |||
| at a single frequency (vbadalov) | |||
| at one frequency | |||
| на одной частоте: 61 phrases in 12 subjects |
| Astronautics | 3 |
| Automated equipment | 1 |
| Communications | 2 |
| Electrical engineering | 2 |
| Electronics | 5 |
| General | 1 |
| Makarov | 6 |
| Mass media | 17 |
| Military | 3 |
| Security systems | 1 |
| Technology | 17 |
| Telecommunications | 3 |