| |||
| 话音/数据系统 | |||
|
voice-data system : 19 phrases in 6 subjects |
| Aviation | 2 |
| Earth sciences | 1 |
| Electronics | 9 |
| Information technology | 1 |
| Space | 2 |
| Telecommunications | 4 |
| |||
| 话音/数据系统 | |||
|
voice-data system : 19 phrases in 6 subjects |
| Aviation | 2 |
| Earth sciences | 1 |
| Electronics | 9 |
| Information technology | 1 |
| Space | 2 |
| Telecommunications | 4 |