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| specialized region | |||
| 分化区: 17 phrases in 8 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Electronics | 1 |
| Metallurgy | 3 |
| Mountaineering | 1 |
| Project management | 1 |
| Statistics | 2 |
| Technology | 7 |
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