 |
| |||
| espectral | |||
| densidade espectral de … | |||
| widmowy: 69 phrases in 12 subjects |
| Antennas and waveguides | 10 |
| Communications | 1 |
| Electronics | 7 |
| Lighting other than cinema | 34 |
| Metrology | 4 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Piezoelectric crystals | 1 |
| Radio | 2 |
| Radiology | 1 |
| Transport | 2 |
| Vacuum tubes | 5 |