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| оптическое управление (ssn) | |||
| оптический контроль; управление по оптическому каналу | |||
| optical control: 36 phrases in 10 subjects |
| Automated equipment | 1 |
| Aviation | 2 |
| Electronics | 3 |
| Foreign affairs | 1 |
| Makarov | 2 |
| Military | 16 |
| Nanotechnology | 1 |
| Programming | 4 |
| Technology | 3 |
| Telecommunications | 3 |