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| 开关: 6672 phrases in 97 subjects |
| Advertising | 1 |
| Agriculture | 47 |
| Air defense | 72 |
| Animal husbandry | 2 |
| Architecture | 78 |
| Artificial intelligence | 4 |
| Automated equipment | 5 |
| Automobiles | 708 |
| Aviation | 272 |
| Bridge card game | 3 |
| British usage, not spelling | 1 |
| Business | 21 |
| Cartography | 1 |
| Chemistry | 22 |
| China | 6 |
| Clothing | 1 |
| Commerce | 6 |
| Communications | 9 |
| Compressors | 42 |
| Computer networks | 4 |
| Computer numerical control | 13 |
| Computers | 6 |
| Construction | 42 |
| Data processing | 1 |
| Dermatology | 6 |
| Drilling | 42 |
| Earth sciences | 14 |
| Ecology | 2 |
| Economy | 9 |
| Electric machinery | 222 |
| Electric traction | 1 |
| Electrical engineering | 3 |
| Electricity | 17 |
| Electronics | 998 |
| Engineering geology | 2 |
| Exhibitions | 14 |
| Explosives and Explosive Ordnance Disposal | 7 |
| General | 156 |
| Genetics | 6 |
| Geophysics | 58 |
| Household appliances | 1 |
| Hydraulics | 3 |
| Hydroelectric power stations | 167 |
| Idiomatic | 1 |
| Industry | 1 |
| Information technology | 118 |
| Leather | 1 |
| Life sciences | 2 |
| Lighting other than cinema | 3 |
| Materials science | 1 |
| Mathematics | 7 |
| Mechanic engineering | 5 |
| Mechanics | 18 |
| Metallurgy | 225 |
| Microelectronics | 2 |
| Mining | 2 |
| Molecular genetics | 1 |
| Multimedia | 4 |
| Name of organization | 4 |
| Nautical | 15 |
| Navigation | 20 |
| Nuclear and fusion power | 17 |
| Oil / petroleum | 165 |
| Oil processing plants | 5 |
| Patents | 1 |
| Physics | 1 |
| Plastic surgery | 1 |
| Plastics | 19 |
| Polymers | 4 |
| Port facilities | 1 |
| Power electronics | 1 |
| Project management | 18 |
| Racing and motorsport | 2 |
| Radio | 9 |
| Rail transport | 94 |
| Refrigeration | 13 |
| Remote sensing | 1 |
| Securities | 2 |
| Security systems | 1 |
| Semiconductors | 3 |
| Shipbuilding | 113 |
| Skydiving | 2 |
| Space | 239 |
| Sports | 2 |
| Steel production | 8 |
| Superconductivity | 1 |
| Surgery | 1 |
| Swimming | 1 |
| Technology | 2166 |
| Telecommunications | 150 |
| Textile industry | 18 |
| Thermal Energy | 3 |
| Transport | 3 |
| United Nations | 9 |
| Water resources | 3 |
| Wind Energy | 68 |
| Wushu | 2 |