笔者提出了沿垂直方向、水平径向和水平切向振动时不同距离地震波衰减规律的经验公式。
An empirical formula was derived, which indicated the attenuation of the seismic waves at different distances along the vertical, horizontal and horizontal tangential directions.
第三部分，首先根据旅游网站使用者满意度的“虚拟距离衰减”规律，引深提出了旅游网站使用者满意度的预测模式——“虚拟距离衡量法”。
Thirdly, on the base of "virtual distance attenuation", the paper brings forward a forecasting model of the CS of tourism websites—virtual distance weighing.
通过对冲击波、爆轰波衰减渐近规律的分析，推导出柱面、球面强爆轰波的衰减有限距离的函数表达式。
The finite attenuation distance of the cylindrical and spherical detonation was deduced through analyzing the asymptotic attenuation.
文中对地面运动衰减规律中的距离参数提出了一种新的定义，即从场地到破裂线两端点的平均距离。这个定义能较好地反映发生构造地震的断层破裂模式。
A new definition of distance parameter in attenuation law of ground motion, i. e. the average distance from site to both ends of rupture line is proposed.
互相关函数的最大幅度与事件波形的振幅随距离具有相同的衰减规律。
Amplitude degressions with distance of single event waveform and crosscorrelation functions are much similar.
互相关函数的最大幅度与事件波形的振幅随距离具有相同的衰减规律。
Amplitude degressions with distance of single event waveform and crosscorrelation functions are much similar.
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