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| форма поля | |||
| 场形: 78 phrases in 10 subjects |
| Aviation | 1 |
| Business | 2 |
| Electronics | 1 |
| Environment | 1 |
| General | 45 |
| Geology | 2 |
| Military | 3 |
| Mining | 1 |
| Physics | 1 |
| Technology | 21 |
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