 |
| 时常: 448 phrases in 48 subjects |
| Agriculture | 4 |
| Air defense | 9 |
| Animal husbandry | 1 |
| Artificial intelligence | 2 |
| Automatic control | 1 |
| Automobiles | 7 |
| Aviation | 13 |
| Bridge construction | 1 |
| Business | 14 |
| Chemistry | 2 |
| China | 1 |
| Commerce | 4 |
| Cosmetics and cosmetology | 1 |
| Dentistry | 1 |
| Desert science | 2 |
| Drilling | 4 |
| Earth sciences | 2 |
| Economy | 10 |
| Electric machinery | 40 |
| Electronics | 60 |
| Exhibitions | 1 |
| Explosives and Explosive Ordnance Disposal | 11 |
| Finances | 2 |
| General | 30 |
| Geophysics | 18 |
| Hydroelectric power stations | 26 |
| Ice hockey | 1 |
| Information technology | 3 |
| International trade | 2 |
| Life sciences | 1 |
| Management | 6 |
| Mathematics | 1 |
| Metallurgy | 9 |
| Nautical | 1 |
| Nuclear physics | 3 |
| Oil / petroleum | 19 |
| Project management | 6 |
| Refrigeration | 1 |
| Securities | 4 |
| Solar power | 1 |
| Space | 18 |
| Sports | 4 |
| Superconductivity | 3 |
| Technology | 83 |
| Telecommunications | 9 |
| Textile industry | 3 |
| United Nations | 1 |
| Wind Energy | 2 |