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| statistics file | |||
| statistics files | |||
| 统计文 件: 12 phrases in 8 subjects |
| Aviation | 3 |
| Earth sciences | 1 |
| Electronics | 3 |
| Information technology | 1 |
| Multimedia | 1 |
| Project management | 1 |
| Space | 1 |
| Telecommunications | 1 |
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