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| простая линза | |||
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| однолинзовый | |||
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| однообъективный (NickGuskov) | |||
| single lens: 26 phrases in 12 subjects |
| Antennas and waveguides | 2 |
| Cartography | 3 |
| Electronics | 2 |
| General | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Medical | 2 |
| Medical appliances | 1 |
| Nanotechnology | 2 |
| Photography | 5 |
| Physics | 2 |
| Technology | 3 |