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средневысотное : 40 phrases in 9 subjects |
| Astronautics | 7 |
| Aviation | 2 |
| General | 4 |
| Geology | 4 |
| High frequency electronics | 1 |
| Mass media | 5 |
| Military | 15 |
| Nanotechnology | 1 |
| Space | 1 |
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