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结构系数 : 70 phrases in 13 subjects |
| Agriculture | 1 |
| Aviation | 5 |
| Bridge construction | 3 |
| Business | 1 |
| Computer networks | 3 |
| Electronics | 19 |
| Hydroelectric power stations | 7 |
| Information technology | 10 |
| Project management | 3 |
| Rail transport | 2 |
| Space | 5 |
| Technology | 10 |
| Telecommunications | 1 |
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