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场地 地形 : 21 phrases in 10 subjects |
| Architecture | 1 |
| Artificial intelligence | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Metallurgy | 1 |
| Skiing | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 10 |
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