... edge-triggered flip-flop 边沿触发（的）触发器 effective attenuation 有效衰减 effective band 有效频带 ...
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effective attenuation factor 有效衰减系数
effective attenuation coefficient 有效衰减系数
effective attenuation length 有效衰减长度
Single wavelength collimation transmittance experiment is designed and conducted, with total effective attenuation coefficient of tissue phantoms being obtained.
设计单波长准直光透射实验并通过实验测量组织模拟样品的总衰减系数；
Two of the most predominant characteristics of Surface Wave are Dispersion and Attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior.
频敌和衰减是面波传播中的两个基本特征，利用面波频散和衰减可以有效地研究地球内部速度结构和粘弹性结构。
Under the circumstance of seismic long wavelength, the circular dry fracture is more effective in attenuation of elastic wave than thin dry fracture when the characteristic scale is same.
在地震长波长情况下，相同特征尺度的圆形干裂纹比薄的干裂纹对弹性波衰减更有效。
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