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| энергетическая зона | |||
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bande d'énergie : 14 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 1 |
| Chemistry | 1 |
| Metallurgy | 1 |
| Radio | 5 |
| Solid-state physics | 1 |
| Technology | 4 |
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