 |
| 变化范围: 42 phrases in 19 subjects |
| Astronautics | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Bridge construction | 1 |
| Desert science | 1 |
| Drilling | 2 |
| Ecology | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Securities | 1 |
| Space | 1 |
| Technology | 16 |
| Wind Energy | 4 |