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заиление : 56 phrases in 16 subjects |
| Agriculture | 2 |
| Agrochemistry | 6 |
| Biology | 1 |
| Construction | 5 |
| Ecology | 9 |
| Electronics | 4 |
| General | 1 |
| Geography | 1 |
| Geology | 2 |
| Hydraulic engineering | 1 |
| Hydrology | 3 |
| Makarov | 9 |
| Melioration | 2 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 5 |
| Water resources | 3 |