 |
|
secondary pattern : 13 phrases in 9 subjects |
| Aerohydrodynamics | 1 |
| Antennas and waveguides | 2 |
| Geology | 1 |
| Hydrology | 1 |
| Makarov | 2 |
| Mass media | 2 |
| Nautical | 2 |
| Navigation | 1 |
| Physics | 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