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| список источников | |||
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源表 : 39 phrases in 10 subjects |
| Business | 3 |
| Drilling | 1 |
| Economy | 1 |
| Electronics | 6 |
| General | 15 |
| Military | 1 |
| Physical chemistry | 1 |
| Statistics | 2 |
| Technology | 7 |
| Water resources | 2 |
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