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| правило; руководство | |||
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轨法 : 30 phrases in 10 subjects |
| Astronautics | 1 |
| Automatic control | 2 |
| Electronics | 1 |
| Food service and catering | 2 |
| General | 8 |
| Geophysics | 1 |
| Mathematics | 1 |
| Mechanics | 1 |
| Missiles | 1 |
| Technology | 12 |
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