 |
| |||
| 双重频率的; 倍频的 | |||
| 双频率的 | |||
| |||
| 倍频 | |||
| 双频 | |||
|
double-frequency : 41 phrases in 12 subjects |
| Air defense | 7 |
| Business | 1 |
| Computer numerical control | 1 |
| Electric machinery | 4 |
| Electronics | 3 |
| Energy industry | 1 |
| Information technology | 1 |
| Nautical | 1 |
| Shipbuilding | 3 |
| Space | 3 |
| Technology | 15 |
| Telecommunications | 1 |