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| Pyranometer n | |||
| Pyranometer n (instrument with hemispherical aperture measuring the total radiation falling on a surface) | |||
| Geraet zur Messung der Intensitaet der Himmelsstrahlung | |||
| Solarimeter n; Sonnenstrahlungsmesser m | |||
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pyranometer : 4 do fraz, 4 tematyki |
| Biologia | 1 |
| Fizyka | 1 |
| Nauki o życiu | 1 |
| Optyka | 1 |