| |||
| 接收机与发射机的自动选择系统 | |||
| 收发机自动选择系统 | |||
| 接收机和发射机自动选择系统 | |||
|
automatic system : 49 phrases in 14 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Business | 3 |
| Earth sciences | 3 |
| Electronics | 9 |
| General | 1 |
| Information technology | 2 |
| Insurance | 1 |
| Metallurgy | 1 |
| Public security | 1 |
| Space | 4 |
| Telecommunications | 4 |
| Textile industry | 15 |