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机译:
Tech Univ Munich, Vibroacoust Vehicles & Machines, Boltzmann Str 15, D-85748 Munich, Germany;
Univ Sheffield, Dept Mech Engn, Sheffield S1 3JD, S Yorkshire, England;
Granular; Porous; Characterisation; Inversion; Reflection; Properties; Impedance; Acoustical models; Non-acoustical models;