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| level | |||
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уровенный : 89 phrases in 18 subjects |
| British usage, not spelling | 2 |
| Cartography | 14 |
| Construction | 7 |
| Electronics | 1 |
| General | 2 |
| Geology | 1 |
| Geophysics | 5 |
| Gravimetry | 3 |
| Meteorology | 1 |
| Nautical | 26 |
| Navigation | 10 |
| Oceanography & oceanology | 1 |
| Oil and gas | 1 |
| Sakhalin | 1 |
| Surveying | 3 |
| Technology | 9 |
| Topography | 1 |
| Water resources | 1 |