 |
| 方位 测定: 38 phrases in 16 subjects |
| Air defense | 3 |
| Automated equipment | 1 |
| Aviation | 1 |
| Drilling | 3 |
| Earth sciences | 2 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Finances | 1 |
| General | 2 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 3 |
| Space | 5 |
| Technology | 10 |
| Telecommunications | 2 |
| United Nations | 1 |