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| mean tide level | |||
| уровень среднего прилива: 31 phrases in 11 subjects |
| Cartography | 1 |
| Ecology | 2 |
| Geology | 2 |
| Hydraulic engineering | 3 |
| Hydrology | 5 |
| Maritime law & Law of the Sea | 1 |
| Nautical | 5 |
| Navigation | 1 |
| Oceanography & oceanology | 7 |
| Technology | 3 |
| Water resources | 1 |