 |
| |||
| intermittently | |||
|
in Abständen : 15 phrases in 8 subjects |
| Agriculture | 1 |
| Communications | 1 |
| Diplomacy | 1 |
| Economy | 1 |
| Foreign trade | 2 |
| General | 5 |
| Microelectronics | 3 |
| Optics branch of physics | 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