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المؤلفون: J. B. Franklin, F. D. Cotaras, P. D. Morash
المصدر: The Journal of the Acoustical Society of America. 93:2426-2427
مصطلحات موضوعية: Noise reduction coefficient, Acoustics and Ultrasonics, Arts and Humanities (miscellaneous), Meteorology, Duct (flow), Mechanics, Frequency spectrum, Geology, Isothermal process