 |
| |||
| диаграмма направленности | |||
|
direction pattern : 6 phrases in 5 subjects |
| Aviation | 1 |
| Hydroacoustics | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 2 |
|
| |||
| диаграмма направленности | |||
|
direction pattern : 6 phrases in 5 subjects |
| Aviation | 1 |
| Hydroacoustics | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 2 |