 |
| 安全 的: 501 phrase in 69 subjects |
| 1 | |
| Agriculture | 6 |
| Air defense | 2 |
| Animal husbandry | 3 |
| Architecture | 4 |
| Artificial intelligence | 3 |
| Automobiles | 42 |
| Aviation | 14 |
| Baseball | 2 |
| Biotechnology | 1 |
| Bridge card game | 1 |
| Bridge construction | 7 |
| Business | 4 |
| Chemistry | 2 |
| China | 19 |
| Commerce | 4 |
| Construction | 2 |
| Corporate governance | 3 |
| Cosmetics and cosmetology | 1 |
| Cryptography | 27 |
| Desert science | 1 |
| Drilling | 5 |
| Earth sciences | 1 |
| Ecology | 3 |
| Economy | 18 |
| Electronics | 30 |
| Engineering geology | 2 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 24 |
| Finances | 1 |
| Food industry | 1 |
| Food service and catering | 1 |
| General | 39 |
| Genetics | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 8 |
| Information technology | 2 |
| International Monetary Fund | 2 |
| International trade | 4 |
| Judo | 1 |
| Librarianship | 1 |
| Lighting other than cinema | 2 |
| Logistics | 1 |
| Management | 3 |
| Mechanic engineering | 1 |
| Mechanics | 3 |
| Metallurgy | 5 |
| Mining | 3 |
| Name of organization | 23 |
| Nautical | 13 |
| Navigation | 2 |
| Nuclear and fusion power | 2 |
| Oil / petroleum | 1 |
| Project management | 15 |
| Refrigeration | 1 |
| Reliability | 1 |
| Rowing | 2 |
| Securities | 4 |
| Shipbuilding | 6 |
| Socialism | 2 |
| Space | 5 |
| Sports | 3 |
| Technology | 72 |
| Telecommunications | 3 |
| Textile industry | 1 |
| United Nations | 24 |
| Water resources | 5 |
| Welfare & Social Security | 1 |
| Wind Energy | 2 |