 |
| 谐振电路: 49 phrases in 12 subjects |
| Air defense | 2 |
| Computer numerical control | 1 |
| Electronics | 12 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 3 |
| Information technology | 1 |
| Oil / petroleum | 2 |
| Piezoelectric crystals | 1 |
| Shipbuilding | 4 |
| Space | 3 |
| Technology | 13 |
| Telecommunications | 6 |