слоистая структура : 30 phrases in 17 subjects |
Aviation | 2 |
Construction | 1 |
Electronics | 7 |
General | 1 |
Geology | 1 |
Makarov | 3 |
Medical | 1 |
Mineralogy | 1 |
Mining | 1 |
Nanotechnology | 2 |
Oceanography & oceanology | 1 |
Oil / petroleum | 1 |
Polymers | 1 |
Road works | 1 |
Silicate industry | 2 |
Superconductivity | 1 |
Technology | 3 |