 |
| 稳定层: 83 phrases in 18 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Bridge construction | 2 |
| Drilling | 3 |
| Earth sciences | 6 |
| Electronics | 1 |
| Engineering geology | 4 |
| Explosives and Explosive Ordnance Disposal | 6 |
| General | 1 |
| Geology | 1 |
| Hydroelectric power stations | 4 |
| Metallurgy | 2 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Technology | 34 |
| United Nations | 1 |
| Wind Energy | 8 |
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