现代地形资料可资鉴定断层活动性。
Recent topographic data are useful for identification of fault activity.
断层活动性研究及稳定性评价十分重要。
Therefore it is very important to study the activity of the fault and make a stability assessment.
断层活动性评价是研究区域构造稳定性的基础，它直接影响到水工建筑物本身的抗震安全。
The faults activity appraisal is a foundation for study of regional tectonic stability because it directly affects the safety of a hydraulic engineering structure against seismic activity.
目前，对于断层活动性评价较常用的方法就是有关断层样品的年龄测试，这是比较直观的定量方法之一。
Dating of fault gouge is now a common method for evaluation of faults activity, one of the quantitative methods.
声波高分辨率超浅层探测的初步结果表明，以往华北平原东部某些断层活动性的论断可能要做很大的修正。
The preliminary result indicates that the previous inference about some fault activities in the eastern part of North China plain maybe needs to be corrected greatly.
从断层间相互作用产生的同震库仑应力改变入手，提出了断层间相互作用的触震与缓震效应，探讨了断层间的相互作用对断层活动性、断层未来地震潜势及余震活动分布图像的影响。
Based on the concept of the change in co-seismic Coulomb stress resulting from the interaction of faults, the earthquake trigging and delaying effects of fault interaction are proposed in this paper.
在工程勘察中一般采用传统的地质分析法来判定断层的发育情况和活动性，但在许多情况下却难以作出准确的判断。
Geological analysis method is generally used for determining development and activity of faults in engineering survey, but it is not accurate in some cases.
地层剥蚀程度和断层的活动性是油气保存的关键因素。
The degree of formation denudation and fault activity are the key factors to oil and gas preservation.
跨断层形变自动化观测技术为断层现今活动性研究、地震监测预报和工程安全评估提供了有利条件。
The technique for automatic measurement of fault deformation is of advantage to investigation in present-day fault activity, earthquake observation and prediction, and engineering safety evaluation.
在多处发现断层露头剖面，断层错断了晚更新世和全新世沉积物，反映出断层具有很新的活动性。
The sections ot several fault outcrops have been discovered, in which the sediments of Late Pleistocene and Recent have been dislocated by faults, showing the fracture of new activity.
试验观测表明：这种仪器对监测极微震活动、地声观测和研究断层的现代活动性都是一种有用的仪器。
The testing observations indicate that such a recorder is a kind of useful instrument for microseismic observation, for observation of ground acoustics and for study present fault activity.
根据汶川地震同震静态位移我们计算了周围地区一些断层的库仑应力变化，并据此评价了震后周围地区断层和地震的活动性。
Coulomb stress changes caused by the Wenchuan earthquake are calculated and earthquake activity is evaluated using finite element method for some faults around the area.
根据汶川地震同震静态位移我们计算了周围地区一些断层的库仑应力变化，并据此评价了震后周围地区断层和地震的活动性。
Coulomb stress changes caused by the Wenchuan earthquake are calculated and earthquake activity is evaluated using finite element method for some faults around the area.
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