 |
| 周期的: 295 phrases in 50 subjects |
| Agriculture | 23 |
| Air defense | 1 |
| Animal husbandry | 4 |
| Architecture | 2 |
| Artificial intelligence | 1 |
| Athletics | 2 |
| Automobiles | 4 |
| Aviation | 15 |
| Business | 8 |
| Commerce | 2 |
| Communications | 1 |
| Compressors | 1 |
| Construction | 2 |
| Cryptography | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| Ecology | 4 |
| Economy | 24 |
| Electric machinery | 3 |
| Electronics | 13 |
| Engineering geology | 1 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 9 |
| Finances | 10 |
| Footwear | 1 |
| General | 37 |
| Horticulture | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 4 |
| International Monetary Fund | 6 |
| International trade | 1 |
| Librarianship | 1 |
| Life sciences | 1 |
| Management | 2 |
| Materials science | 1 |
| Mathematics | 1 |
| Metallurgy | 11 |
| Nautical | 1 |
| Power system protection | 1 |
| Project management | 6 |
| Refrigeration | 1 |
| Reproductive biology | 4 |
| Securities | 8 |
| Space | 8 |
| Sports | 1 |
| Statistics | 1 |
| Steel production | 1 |
| Technology | 53 |
| Telecommunications | 3 |
| Wind Energy | 4 |