 |
| прибор наблюдения: 44 phrases in 18 subjects |
| Artillery | 11 |
| Astronomy | 2 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Electronics | 1 |
| General | 1 |
| Hydrology | 1 |
| Infrared technology | 1 |
| Medical appliances | 1 |
| Metrology | 1 |
| Military | 10 |
| Missiles | 2 |
| Natural resourses and wildlife conservation | 3 |
| Nautical | 2 |
| Navy | 1 |
| Optics branch of physics | 1 |
| Technology | 1 |