 |
| |||
| глубина записи | |||
| recording depth: 13 phrases in 8 subjects |
| Hydrology | 1 |
| Nautical | 1 |
| Navigation | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Seismology | 1 |
| Technology | 5 |
| Water resources | 1 |
|
| |||
| глубина записи | |||
| recording depth: 13 phrases in 8 subjects |
| Hydrology | 1 |
| Nautical | 1 |
| Navigation | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Seismology | 1 |
| Technology | 5 |
| Water resources | 1 |