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| optic pair (звезд) | |||
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оптическая пара : 21 phrases in 8 subjects |
| Computer networks | 1 |
| Electronics | 1 |
| Geophysics | 5 |
| Information technology | 1 |
| Mass media | 4 |
| Nanotechnology | 1 |
| Quantum electronics | 1 |
| Technology | 7 |
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