 |
| |||
| operating information system | |||
| operational information system | |||
|
操作 信息系统 : 21 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Earth sciences | 3 |
| Electronics | 7 |
| Information technology | 4 |
| Multimedia | 1 |
| Oil processing plants | 1 |
| Space | 1 |
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