 |
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| n | |||
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| 任意数: 23 phrases in 11 subjects |
| Aviation | 1 |
| Business | 1 |
| Construction | 1 |
| Economy | 4 |
| Electronics | 1 |
| General | 1 |
| International trade | 1 |
| Metallurgy | 3 |
| Space | 1 |
| Technology | 8 |
| Wind Energy | 1 |
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