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прохождение волны : 12 phrases in 10 subjects |
| Aerodynamics | 3 |
| Aviation | 1 |
| Chemistry | 1 |
| Geology | 1 |
| Hydrology | 1 |
| Medical | 1 |
| Military | 1 |
| Missiles | 1 |
| Polymers | 1 |
| Technology | 1 |
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