 |
| |||
| air traffic control radar | |||
| радиолокационное управление полётом: 4 phrases in 3 subjects |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
|
| |||
| air traffic control radar | |||
| радиолокационное управление полётом: 4 phrases in 3 subjects |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |