неблагоприятный фактор : 16 phrases in 12 subjects |
Ecology | 1 |
General | 2 |
Informal | 2 |
Makarov | 2 |
Mathematics | 1 |
Medical | 1 |
Nanotechnology | 1 |
Occupational health & safety | 2 |
Psychology | 1 |
Quality control and standards | 1 |
Scientific | 1 |
Weapons of mass destruction | 1 |