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| 天然 的: 186 phrases in 41 subjects |
| Advertising | 1 |
| Agriculture | 5 |
| Animal husbandry | 2 |
| Architecture | 5 |
| Automobiles | 6 |
| Bacteriology | 1 |
| Biology | 1 |
| Chemistry | 2 |
| Commerce | 2 |
| Consulting | 1 |
| Cosmetics and cosmetology | 6 |
| Dentistry | 1 |
| Drilling | 6 |
| Earth sciences | 2 |
| Ecology | 2 |
| Economy | 3 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Forestry | 2 |
| General | 27 |
| Geography | 2 |
| Geology | 3 |
| Geophysics | 1 |
| Hydrology | 2 |
| International trade | 1 |
| Law | 1 |
| Life sciences | 1 |
| Metallurgy | 3 |
| Mining | 2 |
| Nautical | 4 |
| Oil / petroleum | 7 |
| Oil processing plants | 2 |
| Plastics | 1 |
| Polymers | 1 |
| Reproductive biology | 1 |
| Soil science | 1 |
| Sports | 1 |
| Technology | 67 |
| Textile industry | 3 |
| United Nations | 1 |
| Watchmaking | 1 |