- 折减因数
- factor: n. 1.〔英国〕经销人；(代客买卖收取佣金的)经纪人； ...
- reduction: n. 1.缩小，减少；降级，降位；(刑罚等的)轻减；减速 ...
- reduction factor: 订正因数; 放大率; 归约因子; 换算系数; 减低率; 减速比; 减缩系数; 减缩因数; 衰减系数; 缩减因数; 折减系数
- acoustic reduction factor: 隔声系数; 隔音系数
- acoustical reduction factor: 隔声量; 隔音系数; 降声因数; 声降因数; 声绝缘因数
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