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| 主-副的; 主要与次要的 | |||
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major -minor : 16 phrases in 8 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Economy | 1 |
| Genetics | 1 |
| Logistics | 1 |
| Space | 1 |
| Technology | 3 |
| United Nations | 7 |
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