эрозия почв: 52 phrases in 15 subjects |
Agriculture | 5 |
Architecture | 1 |
Astronautics | 1 |
Biology | 1 |
Bridge construction | 1 |
Ecology | 17 |
Electronics | 3 |
Energy industry | 1 |
Forestry | 1 |
General | 2 |
Geology | 2 |
Makarov | 9 |
Natural resourses and wildlife conservation | 2 |
Technology | 4 |
United Nations | 2 |