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最大 变化 : 17 phrases in 8 subjects |
| Artificial intelligence | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 2 |
| Management | 1 |
| Mathematics | 1 |
| Securities | 1 |
| Technology | 8 |
| United Nations | 1 |
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