 |
| surge wave: 6 phrases in 6 subjects |
| Aerohydrodynamics | 1 |
| Ecology | 1 |
| Fish farming pisciculture | 1 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| surge wave: 6 phrases in 6 subjects |
| Aerohydrodynamics | 1 |
| Ecology | 1 |
| Fish farming pisciculture | 1 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |