 |
|
relay communications : 113 phrases in 18 subjects |
| Air defense | 3 |
| Astronautics | 8 |
| Aviation | 1 |
| Communications | 3 |
| Electrical engineering | 1 |
| Electronics | 4 |
| General | 2 |
| Mass media | 4 |
| Military | 49 |
| Nanotechnology | 2 |
| Nautical | 2 |
| Radio | 1 |
| Radioengineering | 1 |
| Soviet | 2 |
| Space | 7 |
| Technology | 19 |
| Telecommunications | 3 |
| United States | 1 |