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全显示 : 58 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 5 |
| Aviation | 9 |
| Data processing | 1 |
| Electronics | 9 |
| General | 1 |
| Information technology | 2 |
| Nuclear physics | 1 |
| Oil / petroleum | 1 |
| Project management | 2 |
| Space | 10 |
| Technology | 14 |
| Telecommunications | 2 |
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