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| special distress signal | |||
| специальные сигналы: 56 phrases in 11 subjects |
| Computer networks | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| General | 1 |
| Information technology | 1 |
| Internet | 2 |
| Mass media | 33 |
| Medical | 1 |
| Military | 5 |
| Technology | 4 |
| Telecommunications | 5 |
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