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do fraz
sound propagation
ochr.środ. "äänen eteneminen, äänen etenemisliike"
opiek., nauk f. äänen eteneminen
sound propagation The travelling of acoustic waves in the atmosphere with a speed independent of their amplitude. The speed only depends on the acoustic medium and is proportional to the square route of the absolute temperature for any given medium
ochr.środ. äänen etenemisliike
sound propagation: 8 do fraz, 4 tematyki
Elektronika2
Nauka o ziemi3
Naukowy1
Opieka zdrowotna2