 |
|
frequency selection : 35 phrases in 15 subjects |
| Astronautics | 3 |
| Biology | 1 |
| Genetics | 1 |
| Immunology | 2 |
| Information technology | 1 |
| Makarov | 6 |
| Mass media | 1 |
| Military | 1 |
| Quantum electronics | 1 |
| Radio | 6 |
| Radioengineering | 1 |
| Soviet | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 5 |