本文讨论了障碍体的破坏与地震活动性的关系，以及与地震序列类型的关系。
The relations between the fracture of barriers and seismic activity, and the type of earthquake sequences are also discussed.
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.
阐述了地震液化的三种表现形式砂沸、流滑和循环活动性的表现形式、作用机理和触发条件。
The behavior properties and corresponding mechanics of the three modes of liquefaction due to earthquake, was stated, namely sand boil, flow slide and cyclic mobility detailedly.
本文采用时间扫描方法，画出五种地震活动性参数曲线。
In this paper, five kinds of curves of seismic activity parameter ware drawn by temporal scan method.
漫湾水电站枢纽区地质构造复杂，有活动性断裂，地震活动频繁。
The area of Manwan hydropower station is characterized by complicated geologic structure, active rift and frequent earthquake activity.
在地震危险性分析中，历史地震资料是确定地震活动性参数的关键。
The historical seismic data are the key determining seismicity parameter in seismic hazard analysis.
地震活动性分区综合评定是一项十分复杂的系统工程问题。
Comprehensive evaluation of the seismicity zoning is a very complicated systematic engineering problem.
发现了大震前地震活动性的迁移。
Migration of the seismic activity is found before a big event.
本报告主要包括以下内容： （1）渤海及其邻近地区的地震活动性与地震危险性估计；
This report mainly includes the following contents:(1) The seismicity and seismic risk assessment of the Bohai Sea area and its vicinity.
对统计学方法在地震活动性研究中的部分重要成果、最新研究进展进行了简要地回顾。
In this paper, we concisely retrospect some recent progress and important research results on the application of statistics in seismicity.
然而，遗憾的是，对于长期地震活动性预测所提议的方法的准确性和可靠性方面存在着严重的问题。
Unfortunately, however, there is serious question about the accuracy and reliability of proposed methods for long-term seismicity forecasts.
结果表明，震前的地震活动性表现出一定的异常。
The results show that there are some anomalies in seismicities before the earthquake.
文中研究了该地区的历史与现代地震活动性、长期地震危险性以及发生在华北与日本的大地震之间的关系。
The historical and present seismicity, the long-term seismic risk, and the relation between large earthquakes which occurred in North China and Japan have been studied.
阐明这些地区晚第四纪的地壳运动对于研究断裂的活动性、地震预测预报以及重大工程的区域稳定性评价均有重要意义。
This result is significant for the research on the fault activity and earthquake prediction and for the stability evaluation of important engineering region.
地震目录是研究地震活动性的基本资料。
Earthquake catalogs provide basic data set for the study of seismicity.
根据历史地震记载、近期地震活动性和构造应力场资料，分析了北京西北延庆-怀来盆地的潜在地震危险性。
The potential seismic risk in the Yangqing-Hualai basin, NW of Beijing City, is estimated using historical documents and recent seismicity and tectonic stress field data.
利用地震簇，可以把强震的地震活动性图象识别得更清楚，简单和定量化。
By use of seismic clusters the seismicity patterns of strong earthquakes can be recognized and studied more clearly, simply and quantitatively.
以我国西南地区松潘、黄龙、龙陵、盐源等典型地震序列为例，分析了不同尺度地震空间活动性异常的结构特征。
Taking typical sequences in Southwest China as research cases, we systematically study the structure characters of spatial activity of earthquake on different scales.
本文讨论了障碍体的破坏与地震活动性的关系，以及与地震序列类型的关系。
The relations between the fracture of barriers and seismic activity, and the type of earthquake...
应用地震活动性研究的基本方法对黑龙江河谷及邻近地区的地震活动特征进行了研究。
The feature of earthquake activity is studied by using the basic methods based on earthquake activity study in Heilongjiang river valley and its neighboring regions.
这些模型对于地区性地震活动性的差别，对于量化一个特定区域的地震活动风险的努力产生重要的后果。
The differences between these models for regional seismicity have important consequences for efforts to quantify the seismic hazard in a particular region.
丽江地区活动性构造发育，地震发生频繁。
The active structures are developed in Lijiang area and tectonic earthquakes then are happened frequently.
对盐津5.1级地震的地震活动性、前兆异常特征进行了分析研究，主要为地震预测预报积累经验，提供地震预报依据。
A study of the activity and the early abnormal signs of the earthquake of Ms 5.1 in Yanjin can provide experience and a basis for earthquake forecast.
结合地震活动性分析结果的实际意义。
文章从一个简单的地震活动层次模型出发，推导地震活动性中几个经验公式以及地震活动的时、空和震源大小分维性质。
Some empirical formulas of seismicity and fractal nature of time, space and source dimension are derived based on a simple hierarchy model of seismicity in this paper.
并且在巨震前地震活动增强区内的活动性主要表现为短周期成分，在正常阶段出现的长周期却消失。
The activity in the seismicity enhanced region mainly showed short-period, and the long-period inthe normal stage disappeared.
本文在研究秦皇岛市区域地震地质环境和地震活动规律的基础上，确定了区域潜在震源区及相应的地震活动性参数。
Based on the study of regional seismic environment and seismic periodicity, the potential seismic source zones and their activity parameters are determined.
在一个不活动性的阶段之后，间歇泉在2000年的一系列地震之后开始再次爆发。
After a phase of inactivity, Geysir started erupting again after a series of earthquakes in the year 2000.
在一个不活动性的阶段之后，间歇泉在2000年的一系列地震之后开始再次爆发。
After a phase of inactivity, Geysir started erupting again after a series of earthquakes in the year 2000.
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