 |
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| circuit | |||
| двусторонний канал связи: 7 phrases in 4 subjects |
| Information technology | 2 |
| Mass media | 3 |
| Security systems | 1 |
| Telecommunications | 1 |
|
| |||
| circuit | |||
| двусторонний канал связи: 7 phrases in 4 subjects |
| Information technology | 2 |
| Mass media | 3 |
| Security systems | 1 |
| Telecommunications | 1 |