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| закрытая структура | |||
| плотная структура | |||
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close structure : 30 phrases in 11 subjects |
| Cement | 1 |
| Construction | 1 |
| Crystallography | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 14 |
| Nanotechnology | 2 |
| Oil / petroleum | 1 |
| Quantum electronics | 1 |
| Technology | 6 |