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| сообщения граждан (Alexander Demidov) | |||
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| частное сообщение; личная беседа | |||
| private communications: 17 phrases in 10 subjects |
| Aviation | 1 |
| Computer networks | 1 |
| General | 1 |
| Information technology | 3 |
| Makarov | 1 |
| Microsoft | 1 |
| Military | 1 |
| Scientific | 1 |
| Technology | 3 |
| Telecommunications | 4 |