 |
| речной бассейн: 76 phrases in 17 subjects |
| Agriculture | 2 |
| Agrochemistry | 1 |
| Construction | 2 |
| Ecology | 7 |
| Economy | 4 |
| Electronics | 7 |
| Environment | 1 |
| General | 1 |
| Geology | 1 |
| Gold mining | 1 |
| Hydraulic engineering | 3 |
| Hydrology | 11 |
| Makarov | 7 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 17 |
| Water resources | 5 |
| Water supply | 4 |