 |
| 输人数据: 201 phrase in 17 subjects |
| Agriculture | 3 |
| Air defense | 4 |
| Architecture | 2 |
| Astronautics | 1 |
| Automobiles | 1 |
| Aviation | 49 |
| Computers | 1 |
| Electronics | 118 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 5 |
| Information technology | 4 |
| Metallurgy | 1 |
| Securities | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 4 |
| Telecommunications | 2 |