![]() |
| |||
secondary station | |||
auxiliary station | |||
| |||
secondary station | |||
| |||
slave |
辅助 台: 42 phrases in 15 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 3 |
Computers | 1 |
Drilling | 1 |
Earth sciences | 1 |
Electronics | 8 |
General | 2 |
Information technology | 2 |
Mechanics | 2 |
Navigation | 3 |
Oil / petroleum | 7 |
Space | 1 |
Technology | 8 |
Telecommunications | 1 |