фильтр нижних частот: 47 phrases in 14 subjects |
Astronautics | 4 |
Electrical engineering | 1 |
Electronics | 14 |
Information technology | 3 |
Makarov | 1 |
Mass media | 9 |
Military | 4 |
Nanotechnology | 2 |
Nuclear physics | 1 |
Photography | 1 |
Power system protection | 1 |
Technology | 4 |
Telecommunications | 1 |
Радиоактивное излучение | 1 |