 |
| |||
| orthogonal | |||
| ортогональ: 8 phrases in 4 subjects |
| Hydrology | 2 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 1 |
| Oceanography & oceanology | 3 |
|
| |||
| orthogonal | |||
| ортогональ: 8 phrases in 4 subjects |
| Hydrology | 2 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 1 |
| Oceanography & oceanology | 3 |