 |
| 结点: 261 phrases in 30 subjects |
| Architecture | 1 |
| Automated equipment | 4 |
| Automobiles | 3 |
| Aviation | 1 |
| Bridge construction | 4 |
| Business | 2 |
| Chemistry | 2 |
| Computers | 2 |
| Construction | 12 |
| Corporate governance | 1 |
| Education | 1 |
| Electricity | 1 |
| Electronics | 18 |
| General | 81 |
| Geology | 7 |
| Information technology | 1 |
| Mathematics | 11 |
| Mechanic engineering | 2 |
| Medical | 5 |
| Metallurgy | 2 |
| Microelectronics | 1 |
| Military | 6 |
| Nautical | 1 |
| Oil and gas | 2 |
| Oil processing plants | 2 |
| Physical chemistry | 1 |
| Radio | 1 |
| Shipbuilding | 4 |
| Space | 1 |
| Technology | 81 |