| |||
| frekvencijski signal | |||
|
frequency : 435 phrases in 27 subjects |
| Airports and air traffic control | 2 |
| Aviation | 23 |
| Chemistry | 29 |
| Construction | 2 |
| Crystallography | 1 |
| Economics | 7 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 3 |
| Glass production | 1 |
| Hydrology | 2 |
| Information technology | 3 |
| Law | 13 |
| Microsoft | 4 |
| Oil / petroleum | 43 |
| Optics branch of physics | 51 |
| Photography | 26 |
| Polygraphy | 3 |
| Public transportation | 3 |
| Radio | 1 |
| Road traffic | 2 |
| Road works | 1 |
| Spectroscopy | 2 |
| Statistics | 6 |
| Technology | 170 |
| Telephony | 4 |
| Television | 30 |