... 减低噪音 sound reduction ; noise redress ; noise mitigation 压力减低 pressure relief 输送减低 transport depletion ...
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Impact sound reduction 行走回声 ; 行走声 ; 消音率
Sound reduction index [声] 隔声量 ; 声音降低指数
diffuse sound reduction 扩散声衰减
sound reduction mechanism 降噪机理
In the system of ASAC which based on the radiation modes,fine effect of sound reduction would be achieved if we arrange the control actuators take full account of the radiation modes shapes.
在基于声辐射模态的ASAC系统中,作动器的位置布置必须充分考虑声辐射模态形状才能取得理想的降噪效果。
参考来源 - 基于声辐射模态的有源控制解耦及其应用·2,447,543篇论文数据，部分数据来源于NoteExpress
High density closed-cell foam backing: sound reduction and comfort underfoot.
高密度闭孔泡沫背衬：吸收噪音并提供舒适的脚感。
Heavy and dense materials such as masonry or brick walls are better for sound reduction.
例如石造建筑和砖壁这样的厚实材料也可以很好地达到减少噪音的效果。
It shows that the gradual change structure can offer better sound reduction and smaller flow loss.
理论分析和实验测量都已表明，渐变内插管结构具有较好的消声效果和较小的流阻损失。
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