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| оптоэлектронный (Баян) | |||
| оптико-электронный (WiseSnake) | |||
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optronic : 43 phrases in 11 subjects |
| Armored vehicles | 1 |
| Astronautics | 1 |
| Aviation | 1 |
| Electronics | 1 |
| Foreign affairs | 1 |
| Information security and data protection | 2 |
| Mass media | 1 |
| Military | 28 |
| Nanotechnology | 2 |
| Optics branch of physics | 1 |
| Technology | 4 |