| 摘 要： | The Department for Noise Control of the Optical,Acoustical and FilmtechnicalSociety,Budapest/Hungary-together with the——complex Commission of Acoustics of the Hungarian Academy of Sciences,——Special Committee for Vibration/Noise of the Scientific Cociety ofMechanical Engineers,——Committee for Environment Protection of the Society for TransportSciences and——Working Group for Building Physics of the Scientific Sociedty for Buildingwill organize in PECS on June 7—10,1989 with international participatdion the
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