wave direction: 21 phrases in 12 subjects |
Aerohydrodynamics | 2 |
Ecology | 1 |
Ice formation | 1 |
Makarov | 4 |
Mathematics | 1 |
Military | 2 |
Natural resourses and wildlife conservation | 1 |
Nautical | 4 |
Navigation | 1 |
Oceanography & oceanology | 2 |
Sakhalin | 1 |
Technology | 1 |