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破 片 : 108 phrases in 22 subjects |
| Agriculture | 2 |
| Air defense | 1 |
| Architecture | 3 |
| Aviation | 8 |
| Compressors | 2 |
| Construction | 1 |
| Desert science | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| General | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 7 |
| Refrigeration | 1 |
| Space | 46 |
| Technology | 16 |
| United Nations | 2 |
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