 |
| 相对的: 255 phrases in 48 subjects |
| Agriculture | 2 |
| Air defense | 6 |
| Automobiles | 8 |
| Aviation | 10 |
| Biology | 1 |
| Bridge construction | 2 |
| Business | 10 |
| Chemistry | 3 |
| Commerce | 4 |
| Communications | 1 |
| Construction | 1 |
| Dancing | 4 |
| Dentistry | 1 |
| Dermatology | 1 |
| Drilling | 4 |
| Earth sciences | 5 |
| Ecology | 1 |
| Economy | 10 |
| Electric machinery | 6 |
| Electronics | 14 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Finances | 6 |
| Food industry | 1 |
| General | 38 |
| Genetics | 1 |
| Hydroelectric power stations | 4 |
| Information technology | 1 |
| International trade | 2 |
| Logistics | 1 |
| Mathematics | 2 |
| Metallurgy | 10 |
| Mining | 4 |
| Nuclear physics | 1 |
| Physics | 2 |
| Piezoelectric crystals | 1 |
| Project management | 9 |
| Refrigeration | 4 |
| Reproductive biology | 1 |
| Securities | 2 |
| Shipbuilding | 1 |
| Soil science | 2 |
| Space | 4 |
| Sports | 4 |
| Statistics | 2 |
| Swimming | 1 |
| Technology | 44 |
| Telecommunications | 9 |
| United Nations | 2 |