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| infra-red radiation; infrared radiation | |||
| infrared radiation Electron magnetic radiation whose wavelengths lie in the range from 0.75 or 0.8 micrometer to 1000 micrometers | |||
| radiacion infrarroja: 24 do fraz, 8 tematyki |
| Chemia | 1 |
| Elektronika | 1 |
| Energia cieplna | 6 |
| Komunikacja | 2 |
| Meteorologia | 2 |
| Nauka o ziemi | 9 |
| Prawo pracy | 1 |
| Urządzenia pomiarowe | 2 |