коэффициент контрастности: 43 phrases in 13 subjects |
Aerial photography and topography | 2 |
Chemistry | 1 |
Cinema equipment | 20 |
Electronics | 2 |
Misused | 1 |
Optics branch of physics | 2 |
Photographical sound recording | 2 |
Photography | 1 |
Radio | 1 |
Sensitometry | 5 |
Technology | 3 |
Television | 1 |
Радиоактивное излучение | 2 |