 |
| 有效 系数: 106 phrases in 26 subjects |
| Agriculture | 1 |
| Animal husbandry | 2 |
| Architecture | 2 |
| Automobiles | 2 |
| Aviation | 3 |
| Business | 1 |
| Chemistry | 1 |
| Construction | 2 |
| Earth sciences | 5 |
| Economy | 1 |
| Electronics | 6 |
| Engineering geology | 2 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Mechanics | 1 |
| Metallurgy | 18 |
| Oil / petroleum | 4 |
| Oil processing plants | 1 |
| Otorhinolaryngology | 1 |
| Plastics | 1 |
| Project management | 2 |
| Refrigeration | 1 |
| Space | 5 |
| Technology | 38 |
| Wind Energy | 3 |