 |
| |||
| zona di Fresnel | |||
|
campo próximo : 10 phrases in 4 subjects |
| Communications | 4 |
| Earth sciences | 2 |
| Electronics | 3 |
| Information technology | 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