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闭式法 : 17 phrases in 9 subjects |
| Baseball | 1 |
| Construction | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Golf | 1 |
| Metallurgy | 1 |
| Technology | 8 |
| Telecommunications | 1 |
| Tennis | 2 |
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