| |||
dark field | |||
dark background (полярископа) |
тёмного поля : 32 phrases in 14 subjects |
Biology | 1 |
Cables and cable production | 1 |
Electrical engineering | 1 |
Electronics | 3 |
Genetics | 1 |
Immunology | 2 |
Makarov | 5 |
Medical | 3 |
Metallurgy | 4 |
Microelectronics | 1 |
Microscopy | 2 |
Optics branch of physics | 1 |
Physics | 2 |
Technology | 5 |