| |||
| 通用数据系统 | |||
|
generalized data system : 8 phrases in 5 subjects |
| Aviation | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Space | 1 |
| Telecommunications | 1 |
| |||
| 通用数据系统 | |||
|
generalized data system : 8 phrases in 5 subjects |
| Aviation | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Space | 1 |
| Telecommunications | 1 |