мелиорация: 53 phrases in 12 subjects |
Agriculture | 2 |
Economy | 7 |
Environment | 1 |
Forestry | 2 |
General | 1 |
Hydraulic engineering | 5 |
International Monetary Fund | 5 |
Meteorology | 1 |
Natural resourses and wildlife conservation | 19 |
Nuclear physics | 3 |
Technology | 1 |
United Nations | 6 |