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设 计 例 : 19 phrases in 10 subjects |
| Aviation | 2 |
| Bridge construction | 4 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Information technology | 2 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 5 |
| Telecommunications | 1 |
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