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полное время : 37 phrases in 11 subjects |
| Astronomy | 1 |
| Automated equipment | 3 |
| Aviation | 1 |
| Computers | 1 |
| Electronics | 9 |
| General | 10 |
| Military | 1 |
| Seismology | 1 |
| Space | 1 |
| Technology | 7 |
| Thermal engineering | 2 |
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