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单 元层 : 55 phrases in 12 subjects |
| Agriculture | 1 |
| Artificial intelligence | 3 |
| Earth sciences | 2 |
| Electronics | 19 |
| Engineering geology | 4 |
| Geology | 1 |
| Information technology | 2 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Technology | 15 |
| Telecommunications | 3 |
| United Nations | 1 |
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