 |
| 指示 剂: 237 phrases in 33 subjects |
| Agriculture | 12 |
| Animal husbandry | 8 |
| Architecture | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Biology | 1 |
| Business | 1 |
| Chemistry | 29 |
| Construction | 1 |
| Dermatology | 1 |
| Desert science | 4 |
| Earth sciences | 4 |
| Ecology | 5 |
| Electronics | 8 |
| Engineering geology | 4 |
| Environment | 4 |
| Food industry | 1 |
| Food service and catering | 4 |
| General | 13 |
| Geology | 1 |
| Geophysics | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 23 |
| Nuclear physics | 1 |
| Nursing | 2 |
| Oil / petroleum | 16 |
| Oil processing plants | 2 |
| Plastics | 4 |
| Reproductive biology | 1 |
| Space | 4 |
| Sports | 1 |
| Technology | 72 |
| Water resources | 2 |