 |
| |||
| fundamental frame of reference; fundamental standard of rest | |||
|
système de référence fondamental : 6 phrases in 3 subjects |
| Communications | 3 |
| Telecommunications | 2 |
| Telephony | 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