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射线 : 5687 phrases in 105 subjects |
| Agriculture | 232 |
| Air defense | 94 |
| Anatomy | 2 |
| Animal husbandry | 23 |
| Antennas and waveguides | 1 |
| Archery | 5 |
| Architecture | 22 |
| Artificial intelligence | 3 |
| Astronautics | 1 |
| Astronomy | 57 |
| Automobiles | 24 |
| Aviation | 131 |
| Business | 35 |
| Cartography | 1 |
| Cement | 1 |
| Chemistry | 397 |
| China | 1 |
| Communications | 6 |
| Compressors | 6 |
| Computers | 3 |
| Construction | 21 |
| Cryptography | 6 |
| Dermatology | 4 |
| Desert science | 7 |
| Drilling | 10 |
| Earth sciences | 173 |
| Ecology | 23 |
| Economics | 3 |
| Electric machinery | 9 |
| Electrical engineering | 1 |
| Electronics | 537 |
| Energy industry | 27 |
| Engineering geology | 25 |
| Environment | 4 |
| Explosives and Explosive Ordnance Disposal | 30 |
| Fish farming pisciculture | 3 |
| Food industry | 3 |
| Football | 7 |
| French | 1 |
| General | 478 |
| Genetics | 8 |
| Geology | 58 |
| Geophysics | 68 |
| Health care | 2 |
| Hydroelectric power stations | 10 |
| Ice hockey | 1 |
| Ichthyology | 1 |
| Immunology | 1 |
| Information technology | 34 |
| Laboratory equipment | 1 |
| Latin | 2 |
| Librarianship | 8 |
| Life sciences | 21 |
| Logistics | 3 |
| Materials science | 21 |
| Mathematics | 2 |
| Medical | 6 |
| Medical appliances | 2 |
| Metallurgy | 728 |
| Metalworking | 1 |
| Mining | 9 |
| Multimedia | 4 |
| NASA | 1 |
| Natural sciences | 1 |
| Nautical | 7 |
| Nuclear and fusion power | 2 |
| Nuclear physics | 194 |
| Nursing | 6 |
| Oil / petroleum | 217 |
| Oil processing plants | 4 |
| Otorhinolaryngology | 2 |
| Pharmacology | 1 |
| Physics | 8 |
| Physiology | 2 |
| Plastic surgery | 1 |
| Plastics | 48 |
| Polygraphy | 1 |
| Polymers | 32 |
| Power electronics | 11 |
| Radio | 4 |
| Radiology | 1 |
| Rail transport | 14 |
| Refrigeration | 5 |
| Remote sensing | 11 |
| Reproductive biology | 14 |
| Security systems | 1 |
| Selective breeding | 2 |
| Shipbuilding | 35 |
| Shooting sport | 8 |
| Skydiving | 3 |
| Slang | 1 |
| Space | 361 |
| Sports | 13 |
| Steel production | 13 |
| Surgery | 6 |
| Surveying | 9 |
| Technology | 1157 |
| Telecommunications | 40 |
| Television | 3 |
| Textile industry | 16 |
| United Nations | 4 |
| United States | 8 |
| Water polo | 1 |
| Water resources | 4 |
| Wind Energy | 7 |