近十年来，长期地震预测或地震潜势研究的新趋势是：由确定性分析逐渐转向概率性分析。
During the recent decade, a new tendency of long-term earthquake forecasting or seismic potential study has been shifting gradually from deterministic analysis to probabilistic analysis.
文章主要对板块运动、岩石圈应力场、断层力学、活动构造、长期地震预测方面的新进展做了概略介绍。
This paper mainly Outlines the new progress made in plate motion, lithostatic stress field, fault mechanics, active structure and long-term earthquake prediction.
人们大多认为给出严重地震即将发生的时间地点的准确、长期预测是不可能的。
Most reckon it will never be possible to give accurate, long-term predictions of when and where serious quakes will strike.
地震预测是一个既紧迫要求予以回答、又需要长期探索方能最终解决的地球科学难题。
Erathquake prediction is a difficult task of geoscience to be required imminently answer, and don't to be solved until it is only searched a long time.
使渤中地震发生时间的不确定性增大，不利于渤海地震长期预测。
This increases the uncertainty of occurrence time of earthquakes in middle Bohai Sea, and it is unfavorable for long term earthquake prediction there.
在日本和中国，人们长期以来一直相信地震是可以预测的。
In both Japan and China, people have long believed that earthquakes can be forecast.
通过长期监测地下水中水化学成分的变化，就有可能为预测预报地震提供一种新的前兆信息。
Through long-term monitoring of the change of the chemical composition of groundwater, a new kind of premonitory information for earthquake prediction may be provided.
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.
本文首先介绍了分量分析方法的基本原理，其次阐述了该方法在地震危险性综合评判中的应用，最后给出了华北北部中长期地震危险性预测的一个计算实例。
The basic principles of this method are mentioned firstly, and then the usage of this method in synthetic evaluation of the future seismic risk is explained, I...
本文首先介绍了分量分析方法的基本原理，其次阐述了该方法在地震危险性综合评判中的应用，最后给出了华北北部中长期地震危险性预测的一个计算实例。
The basic principles of this method are mentioned firstly, and then the usage of this method in synthetic evaluation of the future seismic risk is explained, I...
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