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| système d'acquisition (данных) | |||
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система подготовки : 13 phrases in 11 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Education | 1 |
| General | 2 |
| Law | 1 |
| Microsoft | 1 |
| Military | 1 |
| Politics | 1 |
| Surveying | 2 |
| Technology | 1 |
| United Nations | 1 |
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