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| средняя высота | |||
| средняя относительная высота | |||
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altitude moyenne : 22 phrases in 7 subjects |
| Air defense | 1 |
| Astronautics | 1 |
| Aviation | 16 |
| Construction | 1 |
| Hydraulic engineering | 1 |
| Medical | 1 |
| Surveying | 1 |
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