acoustical-reciprocity theorem acoustical-reduction factor acoustical-reflection factor acoustical reflectivity acoustical resonator acoustical signal acoustical system acoustic altimeter acoustical transmission acoustical-transmission factor acoustical well logging acoustic amplifier acoustic attenuation acoustic baffle acoustic board acoustic branch acoustic buoy acoustic capacitance acoustic cavitation acoustic cloud |
acoustical-reciprocity theorem теорема за акустична взаимност Търсената дума е намерена |