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| часть компонент оптической системы (светодиоды, оптические кабели и др.) | |||
| оптический элемент (alexeyaxim) | |||
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optical element : 27 phrases in 9 subjects |
| Automated equipment | 3 |
| Electronics | 5 |
| Military | 3 |
| Nanotechnology | 3 |
| Optics branch of physics | 2 |
| Physics | 5 |
| Radioengineering | 1 |
| Technology | 3 |
| Telecommunications | 2 |