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| контур управления | |||
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signal network : 40 phrases in 12 subjects |
| Astronautics | 4 |
| Electronics | 2 |
| Makarov | 1 |
| Mass media | 3 |
| Microelectronics | 1 |
| Military | 1 |
| Non-destructive testing | 1 |
| Programming | 7 |
| Radioengineering | 3 |
| Rail transport | 1 |
| Technology | 11 |
| Telecommunications | 5 |