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巨块 : 34 phrases in 12 subjects |
| Agriculture | 2 |
| Desert science | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Metallurgy | 1 |
| Mountaineering | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 19 |
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