| |||
| 自动导航卫星通信 | |||
|
satellite telecommunication with : 5 phrases in 5 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| General | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| |||
| 自动导航卫星通信 | |||
|
satellite telecommunication with : 5 phrases in 5 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| General | 1 |
| Shipbuilding | 1 |
| Space | 1 |