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| orbital | |||
| orbitario | |||
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орбитальная обсерватория : 150 phrases in 8 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 2 |
| Aviation | 126 |
| Electronics | 15 |
| General | 1 |
| Geology | 1 |
| Medical | 1 |
| Technology | 3 |
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