 |
| 成对: 319 phrases in 29 subjects |
| American usage, not spelling | 1 |
| Architecture | 2 |
| Aviation | 2 |
| Business | 8 |
| Cartography | 1 |
| Chemistry | 3 |
| Computers | 1 |
| Construction | 3 |
| Diplomacy | 1 |
| Drilling | 1 |
| Economy | 2 |
| Education | 13 |
| Electronics | 5 |
| Fishery fishing industry | 1 |
| General | 173 |
| Geology | 1 |
| Geophysics | 2 |
| Information technology | 1 |
| International Monetary Fund | 2 |
| Mathematics | 3 |
| Medical | 11 |
| Military | 1 |
| Mining | 1 |
| Nanotechnology | 1 |
| Oil and gas | 2 |
| Oil processing plants | 4 |
| Physics | 1 |
| Sports | 2 |
| Technology | 70 |