 |
| |||
| spectral density; spectrum density | |||
| widmowa gęstość: 27 phrases in 6 subjects |
| Antennas and waveguides | 3 |
| Construction | 1 |
| Electronics | 10 |
| Lighting other than cinema | 7 |
| Metrology | 3 |
| Radio | 3 |
|
| |||
| spectral density; spectrum density | |||
| widmowa gęstość: 27 phrases in 6 subjects |
| Antennas and waveguides | 3 |
| Construction | 1 |
| Electronics | 10 |
| Lighting other than cinema | 7 |
| Metrology | 3 |
| Radio | 3 |