 |
| |||
| замкнутая система | |||
| обособленная система; автономная система; изолированная система | |||
| système isolé: 3 phrases in 3 subjects |
| Electronics | 1 |
| Medical | 1 |
| 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