 |
| 直流: 1666 phrases in 72 subjects |
| Agriculture | 18 |
| Air defense | 14 |
| Animal husbandry | 5 |
| Architecture | 4 |
| Automobiles | 55 |
| Aviation | 74 |
| Bridge construction | 3 |
| British usage, not spelling | 1 |
| Business | 14 |
| Chemistry | 4 |
| Communications | 8 |
| Compressors | 7 |
| Computer networks | 3 |
| Computer numerical control | 2 |
| Computers | 1 |
| Construction | 8 |
| Corporate governance | 1 |
| Dermatology | 1 |
| Desert science | 4 |
| Drawing | 1 |
| Drilling | 19 |
| Earth sciences | 16 |
| Ecology | 4 |
| Economy | 4 |
| Electric machinery | 150 |
| Electric motors | 1 |
| Electricity | 6 |
| Electronics | 245 |
| Engineering geology | 4 |
| Explosives and Explosive Ordnance Disposal | 5 |
| General | 60 |
| Geophysics | 16 |
| Hydroelectric power stations | 76 |
| Information technology | 29 |
| International trade | 2 |
| Isolation | 5 |
| Management | 1 |
| Mathematics | 1 |
| Mechanic engineering | 2 |
| Mechanics | 1 |
| Metallurgy | 138 |
| Mining | 4 |
| Morphology | 1 |
| Multimedia | 2 |
| Nautical | 12 |
| Nuclear and fusion power | 6 |
| Nursing | 1 |
| Oil / petroleum | 59 |
| Oil processing plants | 2 |
| Pest control | 2 |
| Piezoelectric crystals | 1 |
| Plastics | 8 |
| Polymers | 2 |
| Project management | 2 |
| Radio | 3 |
| Rail transport | 33 |
| Refrigeration | 16 |
| Shipbuilding | 21 |
| Skydiving | 3 |
| Solar power | 5 |
| Space | 51 |
| Sports | 1 |
| Steel production | 2 |
| Superconductivity | 3 |
| Surgery | 3 |
| Technology | 333 |
| Telecommunications | 32 |
| Textile industry | 5 |
| Thermal Energy | 1 |
| Transport | 2 |
| Water resources | 5 |
| Wind Energy | 32 |