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| extended channel | |||
| расширенный канал: 11 phrases in 9 subjects |
| Computer networks | 1 |
| Computers | 1 |
| Information technology | 1 |
| Maritime law & Law of the Sea | 1 |
| Mass media | 1 |
| Nautical | 3 |
| Navigation | 1 |
| Technology | 1 |
| Telecommunications | 1 |
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