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| 未予说明的; 未予解释清楚的 (for); 未计人的; 其他的 | |||
| 未予说明的 | |||
| unaccounted: 16 phrases in 6 subjects |
| Electronics | 1 |
| Energy industry | 1 |
| General | 6 |
| Metallurgy | 2 |
| Technology | 5 |
| Water resources | 1 |
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