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| 分部处理: 13 phrases in 10 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Communications | 1 |
| Ecology | 2 |
| Economy | 1 |
| Environment | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 2 |
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