| |||
region of visibility; area of visibility | |||
optical field |
оптическое поле : 55 phrases in 14 subjects |
Artillery | 1 |
Astronautics | 1 |
Cinematography | 1 |
Electronics | 3 |
Makarov | 10 |
Mass media | 23 |
Microelectronics | 1 |
Military | 1 |
Nanotechnology | 7 |
Navigation | 1 |
Physics | 2 |
Polygraphy | 1 |
Technology | 1 |
Weapons and gunsmithing | 2 |