1·The combined problem of structural responses to multiple seismic ground motions is extensively analyzed and evaluated.
比较全面地研究了在多维地震动作用下结构反应的组合问题，对各种组合方法进行了评价。
2·The seismic influence field reflects the space distribution of seismic intensity or space-related seismic ground motion field.
地震影响场反映了地震动强度的空间分布或与空间相关的地震动场。
3·The spatial variation of seismic ground motions is produced primarily by the factors of geometric incoherency effect and wave-passage effect.
导致地震动空间变异性的原因主要包括几何不相干性效应和行波效应。
4·From the strong earthquake activities since 1500, the seismic ground hazard map in North China is assessed using a deterministic approach method.
根据1500年以来的地震活动，用确定性方法对华北地区地震地面危害分布图进行了定量计算。
5·The seismic ground motion is assumed to be double filtered white noise, and pseudo excitation approach is employed to calculate the random response.
采用双过滤白噪声功率谱模型描述地震动，并用林家浩虚拟激励法进行随机响应分析。
6·Under seismic ground shaking, the ability of the connection to dissipate energy will depend on the connection's capability to withstand low cycle fatigue.
在地震地面振动时，连接的耗能能力取决于抵抗低周疲劳的能力。
7·The seismic ground motion attenuation relationship is an important content in seismic zonation and seismic safety evaluation of engineering sites for key projects.
地震动衰减关系是地震区划和重大工程场地地震安全性评价的重要内容。
8·Spatially non-uniform seismic ground motion, therefore, cannot be taken into account in the seismic safety assessment of the similar underground rock cavern groups.
因此，在进行类似的岩体地下洞室地震动安全评价时可以不考虑地震动空间非一致性的影响。
9·Theoretical studies and earthquake damage have shown that effects of the rotational components of seismic ground motions on some engineering structures are important.
理论分析和震害经验表明，地震动的转动分量对某些工程结构的影响是重要的。
10·The revised parameter has been adopted so as to maintain definition of distance parameter of seismic ground motion consistent with intensity attenuation relationship as far as possible.
对距离参数进行了修正，使地震动衰减和烈度衰减关系中的距离参数的定义尽可能保持一致。