nominal attenuation ratio 标称衰减率
Probe Attenuation Ratio 探头衰减比对测量的影响
coda attenuation ratio 尾波振幅衰减率
attenuation ratio error 衰减比误差
vibration attenuation ratio 振动衰减比
Water vapor attenuation ratio 水汽衰减率
Furthermore, with the method of amplitude ratio with different frequency selected, the areal attenuation effect and local site response have been studied.
采用振幅谱频率比方法，研究区域衰减效应和局部场地响应。
By selecting the phosphor, silicon and mixture ratio, high-power white LED with high brightness and low attenuation is prepared, and the color rendering index (CRI) reaches 95.
通过甄选荧光粉、硅胶以及配比，制备出显色指数(CRI)为95的高亮度、低衰减的大功率白光led。
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