| |||
| 询问器-应答器; 问答机 | |||
| |||
| 问答机 | |||
| 询问器-应答器 | |||
|
interrogator-transponder : 9 phrases in 4 subjects |
| Air defense | 1 |
| Electronics | 6 |
| Technology | 1 |
| Telecommunications | 1 |
| |||
| 询问器-应答器; 问答机 | |||
| |||
| 问答机 | |||
| 询问器-应答器 | |||
|
interrogator-transponder : 9 phrases in 4 subjects |
| Air defense | 1 |
| Electronics | 6 |
| Technology | 1 |
| Telecommunications | 1 |