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系统工程设计 : 25 phrases in 10 subjects |
| Aviation | 2 |
| Business | 1 |
| Drilling | 1 |
| Earth sciences | 4 |
| Economy | 1 |
| Electronics | 10 |
| Information technology | 2 |
| Mechanics | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
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