acoustical propagation constant acoustical radiation acoustical ranger acoustical reactance 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 |
acoustical propagation constant акустична константа на разпространение Търсената дума е намерена |