 |
| |||
| détection par le son | |||
| détection acoustique; détection par écho | |||
| акустическое обнаружение: 3 phrases in 2 subjects |
| Aviation | 2 |
| Forestry | 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