![]() |
| |||
radio reception |
无线电接收 : 74 phrases in 14 subjects |
Air defense | 6 |
Astronautics | 1 |
Automobiles | 4 |
Aviation | 2 |
Communications | 2 |
Earth sciences | 2 |
Electronics | 8 |
General | 5 |
Information technology | 1 |
Oil / petroleum | 3 |
Shipbuilding | 4 |
Space | 7 |
Technology | 27 |
Telecommunications | 2 |