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| фильтр оптический | |||
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filter optical : 40 phrases in 13 subjects |
| Astronomy | 1 |
| Electronics | 3 |
| Household appliances | 1 |
| Makarov | 4 |
| Mass media | 8 |
| Military | 1 |
| Nanotechnology | 3 |
| Navigation | 3 |
| Occupational health & safety | 1 |
| Photography | 2 |
| Physics | 1 |
| Quantum electronics | 3 |
| Technology | 9 |
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