Compared with the meeting-rooms which satisfy the acousticaldesign standard, there are some particularity and universality in the rebuilt ones.
与新建的符合声学要求的厅室相比，改建会议室的声学设计有其特殊性和普遍性。
2
Sound absorption materials is always used in controlling reverberation time in the acousticaldesign of studios.
对演播厅混响时间的控制，在声学设计上往往通过安装吸声材料来实现。
3
Sound absorption and insulation is the acoustical characteristic of material. Measurement of sound absorption and insulation has an important significance in noise control and acousticaldesign.