 |
| |||
| airway | |||
| frequency of radio | |||
| radio frequency; radio-frequency | |||
| |||
| radio-frequency | |||
| 无线电频率: 69 phrases in 17 subjects |
| Agriculture | 2 |
| Air defense | 8 |
| Automobiles | 1 |
| Aviation | 8 |
| Economy | 1 |
| Electronics | 14 |
| Fishery fishing industry | 1 |
| General | 4 |
| Geophysics | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Remote sensing | 1 |
| Shipbuilding | 2 |
| Space | 8 |
| Technology | 10 |
| Telecommunications | 5 |