 |
主线
| 运输
| 主 线 | |
| tech. | main line |
| 主线 | |
| archit. | key line |
| avia. | trunk |
| busin. | primary line |
| met. | main |
| oil | cardinal line; mail line; master line |
| space | main line |
| 运输 | |
| environ. | ship |
|
主线 : 572 phrases in 59 subjects |
| Advertising | 3 |
| Agriculture | 3 |
| Air defense | 4 |
| Angling hobby | 1 |
| Animal husbandry | 2 |
| Architecture | 4 |
| Artificial intelligence | 1 |
| Automobiles | 24 |
| Aviation | 18 |
| Bridge construction | 12 |
| Business | 5 |
| Commerce | 2 |
| Communications | 1 |
| Compressors | 1 |
| Computer networks | 1 |
| Construction | 2 |
| Corporate governance | 1 |
| Desert science | 1 |
| Earth sciences | 3 |
| Economy | 1 |
| Electric machinery | 12 |
| Electronics | 56 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 6 |
| Forestry | 5 |
| General | 3 |
| Genetics | 4 |
| Geophysics | 2 |
| Hydroelectric power stations | 16 |
| Information technology | 14 |
| Logistics | 1 |
| Management | 3 |
| Mathematics | 2 |
| Metallurgy | 5 |
| Military | 2 |
| Multimedia | 1 |
| Nautical | 2 |
| Navigation | 1 |
| Oil / petroleum | 22 |
| Otorhinolaryngology | 2 |
| Outdoor activities and extreme sports | 1 |
| Port facilities | 1 |
| Project management | 2 |
| Rail transport | 2 |
| Refrigeration | 1 |
| Remote sensing | 5 |
| Rugby football | 1 |
| Securities | 1 |
| Shipbuilding | 5 |
| Soil science | 1 |
| Space | 24 |
| Sports | 1 |
| Surgery | 1 |
| Technology | 229 |
| Telecommunications | 10 |
| Textile industry | 28 |
| United Nations | 5 |
| Wind Energy | 2 |
| Wood processing | 1 |
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