 |
|
basic researches : 31 phrases in 17 subjects |
| Astronautics | 1 |
| Diplomacy | 1 |
| Disapproving | 4 |
| Education | 1 |
| Foreign affairs | 1 |
| General | 3 |
| Makarov | 3 |
| Mathematics | 1 |
| Military | 3 |
| Nautical | 1 |
| Physical chemistry | 1 |
| Psychotherapy | 1 |
| Research and development | 1 |
| Scientific | 5 |
| Soviet | 1 |
| Space | 2 |
| Technology | 1 |