 |
| |||
| observation plane | |||
| плоскость наблюдения: 10 phrases in 4 subjects |
| Cartography | 7 |
| Information technology | 1 |
| Mass media | 1 |
| Security systems | 1 |
|
| |||
| observation plane | |||
| плоскость наблюдения: 10 phrases in 4 subjects |
| Cartography | 7 |
| Information technology | 1 |
| Mass media | 1 |
| Security systems | 1 |