文末，用唐山震中区地下水位异常资料，讨论了与震源演化过程的关系。
Finally, the relationship between Tangshan groundwater level anomalies in epicentral area and focal evolution process is discussed.
目前进行的地震危险性分析计算中，潜在震源区范围和震级上限的确定过程中存在很大的不确定性。
In seismic hazard analysis computation, there is much uncertainty in the process of defining latent focal region and upper magnitude limit.
本文采用地质构造、地震活动图象、震源机制资料综合分析方法，对唐山地震序列主要的构造过程进行研究。
In this paper, the main tectonic process of the Tangshan earthquake sequence was studied by comprehensive analysis of geological structures, seismicity pattern and focal mechanism data.
计算并分析了震源力学状态这种变化在其周围产生的附加应力场，以及反映这一过程的地应力变化特征。
Based on this variation of mechanical state at the earthquake fault, the additional stress given rise on its surroundings and the stress change of this process have been computed and analyzed.
简要介绍了现代数字地震学的两个重要概念，一个是震源时间函数，另一个是地震震源的时空破裂过程。
This paper briefly introduces two of the important fundamental concepts in modern digital seismology, the source time function and the source rupture process.
局域预位移的震源过程为有限源传播，全域预位移为有限源与瞬时面源。
The source process of partial area pre-displacement is finite moving source and that of whole area pre-displacement is combination of finite moving source and instantaneous source.
根据含超压气体裂隙震源模式，分析了地球内部放射热能向孕震区积聚的过程。
By using the seismic source model of crack containing hyperpressure gas, the course of radioactive heat energy in the earth to accumulate in the focal area and cause for earthquake are studied.
主要讨论超松弛迭代法反演震源破裂过程解的稳定性。
This article discusses the stability of source rupture process inversion by successive over-relaxation iteration method.
测点上某一震相的振幅和周期决定于震源强度以及震源到测点的整个传播过程中介质对震波的影响。
The amplitude and period of a phase at a receiving point depend on source strength and the effect of medium on seismic wave in the propagating from source to the receiving point.
本文着重分析了可控震源在使用过程中，引起液压泵损坏的因素及预防措施。
The paper analyzed with the emphasis on the reasons causing the damage of hydraulic pump in a process of using Vibroseis and preventive measures.
地下水的这些效应可能与地震震源过程有关。
These mechanical effect of underground water may be associated with source processes of earthquakes.
计算结果表明，在若干次地震前，出现前兆系统的减熵异常过程，显示出在地震的孕育过程中，震源系统从无序向有序演化的过程。
The results show that the anomalous process on systematic decreasing entropy appears prior to several earthquakes, which indicates that the source system has evolved from disorder to order transiti…
这种迁移现象反映出大震前远震源区和近震源区内地震活动交替活跃和平静的过程。
The migration phenomena reveal a process that the seismicity in both the far-field and the near-field becomes intensive and quiet alternatively before a main shock.
这种迁移现象反映出大震前远震源区和近震源区内地震活动交替活跃和平静的过程。
The migration phenomena reveal a process that the seismicity in both the far-field and the near-field becomes intensive and quiet alternatively before a main shock.
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