acoustic transmittivity acoustic-type antenna acoustic vault acoustic velocity acoustic vibration acoustic wave acoustic-wave amplification acoustic wave amplifier acoustic waveguide acoustic wind acousto-electric acoustoelectric amplification acoustomcter acoustooptic cell acquire acquiring acquisition acquisition of licence acquisition of patent acquittance |
acoustic transmittivity акустична проницаемост коефициент на звукова проницаемост Търсената дума е намерена |