 |
| 电位差: 77 phrases in 20 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Business | 1 |
| Construction | 1 |
| Earth sciences | 2 |
| Electric machinery | 3 |
| Electricity | 2 |
| Electronics | 13 |
| Engineering geology | 1 |
| General | 1 |
| Geophysics | 5 |
| Information technology | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Reproductive biology | 1 |
| Shipbuilding | 3 |
| Space | 2 |
| Technology | 29 |
| Water resources | 1 |