| |||
| обнаружение ЛА | |||
|
Aircraft Detection : 21 phrases in 7 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Makarov | 1 |
| Military | 9 |
| Military aviation | 1 |
| Radioengineering | 4 |
| Technology | 4 |
| |||
| обнаружение ЛА | |||
|
Aircraft Detection : 21 phrases in 7 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Makarov | 1 |
| Military | 9 |
| Military aviation | 1 |
| Radioengineering | 4 |
| Technology | 4 |