| |||
| специальное исследование | |||
|
technical study : 18 phrases in 10 subjects |
| Apollo-Soyuz | 1 |
| Business | 1 |
| Education | 1 |
| General | 3 |
| Librarianship | 1 |
| Military | 4 |
| Oil / petroleum | 3 |
| Politics | 1 |
| Sakhalin | 1 |
| Shipbuilding | 2 |
| |||
| специальное исследование | |||
|
technical study : 18 phrases in 10 subjects |
| Apollo-Soyuz | 1 |
| Business | 1 |
| Education | 1 |
| General | 3 |
| Librarianship | 1 |
| Military | 4 |
| Oil / petroleum | 3 |
| Politics | 1 |
| Sakhalin | 1 |
| Shipbuilding | 2 |