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| диффракционный кружок | |||
| дифракционный диск (звезды) | |||
| диск Эйри; дифракционный кружок | |||
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diffraction disk : 3 phrases in 3 subjects |
| Antennas and waveguides | 1 |
| Makarov | 1 |
| Technology | 1 |
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