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| communication security system | |||
| система безопасности связи: 20 phrases in 11 subjects |
| Energy industry | 5 |
| Fish farming pisciculture | 1 |
| Information security and data protection | 1 |
| Mass media | 1 |
| Military | 2 |
| Name of organization | 1 |
| Nautical | 1 |
| Sakhalin | 2 |
| Security systems | 2 |
| Technology | 2 |
| Telecommunications | 2 |