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顺序 文 件 : 29 phrases in 9 subjects |
| Aviation | 1 |
| Cartography | 1 |
| Electronics | 2 |
| Information technology | 7 |
| Multimedia | 2 |
| Project management | 1 |
| Space | 4 |
| Technology | 10 |
| Telecommunications | 1 |
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