 |
| |||
| групповой фильтр | |||
|
group filter : 31 phrases in 6 subjects |
| Air defense | 1 |
| Communications | 2 |
| Mathematics | 2 |
| Microsoft | 1 |
| Technology | 24 |
| Telecommunications | 1 |
|
| |||
| групповой фильтр | |||
|
group filter : 31 phrases in 6 subjects |
| Air defense | 1 |
| Communications | 2 |
| Mathematics | 2 |
| Microsoft | 1 |
| Technology | 24 |
| Telecommunications | 1 |