predominant period meaning in Chinese
显著周期
主导周期
主要周期
卓越周期
Examples
- Seismic predominant period
地基基础抗震地震卓越周期 - The thickness of site overburden layer is one of important reasons that affect the predominant period of ground micro - tremor
覆盖层厚度是影响地脉动卓越周期的重要原因。 - The change of predominant period of ground micro - tremor is closely related to the formation of site soil layers , and mutually corresponds to the change of engineering geological conditions of the site
地脉动卓越周期的变化与场地土层构造密切相关，与场地工程地质条件的变化相对应。不同地基土层构造对应不同类型的频率分布。 - Fourth , there exists some corresponding relationships between spectral structure characters of ground micro - tremor and shear wave velocity of site soil layers . the outcomes of these two kinds of tests can be conferred each other . fifth , the correlations between predominant period of ground micro - tremor and thickness , and value of shear wave velocity of overburden layer are established
第五，建立场地土覆盖层厚度、剪切波速与地脉动卓越周期之间的相关关系，有助于通过勘测场地土覆盖层厚度的结果估算场地地脉动的卓越周期，以及揭示场地土剪切波速与地脉动卓越周期的内在相关规律。 - In this part , response spectrum and fourier amplitude spectrum are studied , the main results are as follows : 1 ) response spectrum analysis : a ) absolute acceleration response spectrum ( sa ) : ( 1 ) in general , response spectrum decrease with depth , for m < 4 . 5 , the shape and the predominant period of each response spectrum in different depths are similar : the variation of spectra with depth focus on near - surface level ; the normalized spectra are similar to each other , except the predominant perk value in middle depth of some earthquakes is higher than other depth
地震动反应谱沿深度变化的规律( l )加速度反应谱( s 、 )沿深度的变化规律一般，加速度反应谱( s 。 )随深度的增加而减小。震级较小时，不同深度各测点的反应谱形状很相似，卓越周期基本一致;浅层处反应谱沿深度的变化梯度较大;深层处反应谱大小比较接近;强震时，反应谱形状在短周期有较小差别，长周期逐渐接近。