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无指令 : 56 phrases in 14 subjects |
| Aviation | 2 |
| Business | 4 |
| Construction | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 1 |
| Information technology | 9 |
| Metallurgy | 1 |
| Project management | 1 |
| Securities | 3 |
| Shipbuilding | 1 |
| Space | 10 |
| Technology | 15 |
| Telecommunications | 4 |
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