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| ground level | |||
| 地 水准 面: 78 phrases in 11 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Life sciences | 1 |
| Natural sciences | 1 |
| Oil / petroleum | 8 |
| Space | 10 |
| Technology | 46 |
| United Nations | 4 |
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