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| дифракция рентгеновских лучей | |||
| дифракция рентгеновских лучей | |||
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射线 绕射 : 11 phrases in 5 subjects |
| Antennas and waveguides | 2 |
| General | 2 |
| Geophysics | 1 |
| Medical | 1 |
| Technology | 5 |
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