随着我国四化建设的发展,对振动和噪声的控制越来越重视,这不但对录音室和音乐厅必须考虑,而且巳成为家庭、商业、工厂以及交通车辆中必须考虑的问题.沥青型阻尼材料的问世,使许多车辆在减振、降噪方面得到有效的改善. With the development of the four modernizations in our country, more attention is paid to the control of vibration and noise, which not only has to be taken into consideration for studio and concert hall but also has to be taken into consideration in homes, businesses, factories and transport vehicles. The advent of damping materials, so that many vehicles in the vibration and noise reduction has been effectively improved.