本文的方法可供估计强震活动趋势参考。
The method can be used as reference to estimate tendency of the strong earthquake activity.
本文的方法可供估计强震活动趋势参考。
并对未来强震活动的发展趋势作了初步的分析。
Finally, we analyzed roughly the developing trend of strong activity in future.
山西地堑系是我国著名的历史强震活动带之一。
Shanxi graben system is one of the most famous strong earthquake belts on China Continent.
华北地区及其地震带的强震活动与月相密切相关。
Strong earthquakes correlate closely with lunar phases in North China and its seismic belts.
强震活动的空间分布表现为有规律的纬向往返迁移；
The spatial distribution of the strong earthquake activity shows that the epicenters migrate in latitude direction with regularity.
多场地、大范围的断层活动异常可能与强震活动相呼应。
Multi-site and large scale faulting anomaly may echo each other with the strong seismic activity.
结果还表明，华北地块现今强震活动主要受nw走向断裂的控制。
It shows that recent strong earthquakes are mostly controlled by active faults with NW strike in the North China block region.
自1882年以来的强震活动可以划分为五个活动幕和五个平静幕。
Since 1882, it can be distinguished into five active curtains and five quiet curtains.
强震活动具有在时间上的起伏特征与空间上集中分布于主体地区的特征。
The activity of strong earthquakes is undulate and clustered in the major region in certain period.
本文利用华北丰富的震史资料，分析该区强震活动时-空变化某些特点。
Using rich history earthquake data, author studied some feature of strong earthquake activity in space and time variation in North China.
并对各时段地震活动的时空演变进程和今后几年强震活动的趋势进行了分析。
The temporal and spatial evolution process of seismic activity in each period and the tendency of strong earthquake activity in coming years in Xinjiang area has been studied.
利用日本海区丰富的震史资料，研究了该区强震活动时—空变化的某些特征。
By using the rich historical earthquake data, the author studied some features of temporal and spatial variation of strong seismicity in the Sea of Japan.
内地壳和上地幔S波速度结构与强震的关系和强震活动的深部背景进行了探讨。
Study to the relation between strong earthquakes and S-wave velocity structures in the crust and upper mantle in the studied area.
通过松弛数判断壳幔介质的变形属性，给出印缅板块强震活动趋势的动力学解释。
The distortional character of crust and mantle medium is judged by relaxation number, the dynamic reason is given to interpreting the strong earthquake activity te.
川滇地区是中国大陆内部地震活动最强的地区之一，且近期的强震活动仍十分频繁。
The Sichuan Yunnan region is one of the areas, where earthquake activity is strongest in the intra continent of China, and strong earthquake have occurred frequently in the recent years.
作者就是在上述认识的基础上提出了新看法并对滇东地区的强震活动趋势进行了探讨。
On the basis of the understanding mentioned above, the author has provided a new opinion, and made an exploration to tendency of strong earthquake in North-East Yunnan.
各轮回强震活动都有各自活动的主体地区，反映了不同活跃期内地块的不同活动方式。
The main areas of strong earthquake activity for each seismic cycle show that active crustal-block moves differently in different seismic cycle.
地球自转速度变慢、日长变长、华北地震活跃，据此认为目前华北处于非强震活动期；
When the speed of earth rotation is slowing, the length of day is lengthening, and the earthquakes in North China are active.
对1897—1980年本区的强震活动进行了分幕，初步分析了各地震幕的动力学意义。
The episode of strong earthquake activities from 1897 to 1980 in the whole area have been demarked, and the dynamic implications of each seismic episode is also preliminarily analyzed.
对1897—1980年本区的强震活动进行了分幕，初步分析了各地震幕的动力学意义。
The episode of strong earthquake activities from 1897 to 1980 in the whole area ha…
本文根据历史地震资料按最大熵谱方法对全球及全球各地震区强震活动的时间序列进行了分析。
Based on the historical seismic data, we have analysed the time sequence of the global and regional strong earthquake activities by using the maximum entropy spectrum method.
自1820年，尤其是20世纪以来，新疆及其邻区的强震活动与地球自转相对速率变化有明显的关系。
From 1820, especially in twentieth century in Xinjiang and its adjacency, strong earthquake activities are evidently related to the rate changes of the earth's rotation.
利用粘滞模型计算了印缅板块地区壳幔的理论应力释放周期为56年，与该地区的强震活动周期基本吻合。
The theoretical stress releasing period of crust and mantle in India and Burma plate is calculated by viscoelastic model. It is about 56a and close to the strong earthquake activity period.
从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发，讨论了各活动地块边界带的强震总体活动水平；
The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time.
青海地区强震震例研究表明，地震活动图像演化过程对强震的孕育有较好的预示作用。
It is shown that the evolution of seismicity patterns can predict well the strong earthquake preparation by the study of strong earthquakes in Qinghai area.
华南地区在中强震发生前有4级左右地震频繁活动和小震群频发的特点。
Before the moderately strong earthquakes in the region there are frequent seismic activity with magnitude of 4 or so and small earthquake swarms.
研究了新疆中强震前地震活动空间演化过程。
We study the space evolvement course of seismic activity before medium-strong earthquakes in Xinjiang.
研究了新疆中强震前地震活动空间演化过程。
We study the space evolvement course of seismic activity before medium-strong earthquakes in Xinjiang.
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