 |
| |||
| Änderungsvorzeichen n | |||
| знак изменения: 25 phrases in 12 subjects |
| Chemistry | 1 |
| Computers | 3 |
| Electronics | 4 |
| Geology | 1 |
| Information technology | 2 |
| Law | 2 |
| Metrology | 1 |
| Optics branch of physics | 3 |
| Patents | 4 |
| Physics | 1 |
| Road works | 1 |
| Technology | 2 |
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