 |
| глубина исследований: 25 phrases in 10 subjects |
| General | 1 |
| Geology | 1 |
| Geophysics | 6 |
| Hydrology | 1 |
| Intelligence and security services | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Oil / petroleum | 9 |
| Road works | 3 |
| Seismology | 1 |
|
| глубина исследований: 25 phrases in 10 subjects |
| General | 1 |
| Geology | 1 |
| Geophysics | 6 |
| Hydrology | 1 |
| Intelligence and security services | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 1 |
| Oil / petroleum | 9 |
| Road works | 3 |
| Seismology | 1 |