 |
| |||
| communications and data system | |||
|
通信与数据系统 : 18 phrases in 4 subjects |
| Air defense | 2 |
| Aviation | 6 |
| Electronics | 7 |
| Space | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips