Continental mantle metasomatism: a precursory event of platform activation?

大陆地幔交代作用：地台活化的先驱事件？

There are six common features for precursory anomalies before strong earthquakes.

强震前兆异常具有六大共性特征。

It is suggested that the swarm might occur frequently and was not a precursory one.

初步认为荣成震群是一次频发性震群，不是前兆震群。

These characteristics are related to the mechanism resulting in precursory anomaly.

这些特征与引起异常的机理有关。

The short-term precursory anomaly is the "positive acceleration" phenomenon of water level.

它的短期震兆异常是水位变化的“正向加速”现象。

This method can be applied to evaluate the prediction effectiveness of the precursory anomalies.

这一方法可用于对其他前兆观测台站或单测项预报效能的检验。

Such a phenomenon has enlightened us on the precursory anomaly of the observed wave characteristics.

这种现象，为观测地震波特性的前兆异常给予了启示。

In this paper, deep seismic slip rupture progress model and its precursory significance are discussed.

本文讨论了地震的深部滑动破裂扩展过程模型和它的前兆意义。

A new method about measurement of the precursory infrasonic waves of strong earthquake was introduced.

介绍强地震前兆观测的一种新方法—次声波法。

This system is composed of database of precursory analogue observation and software of database management.

该系统由前兆模拟观测数据库和数据库管理软件两部分组成。

The generating and propagating mechanism of the precursory infrasound of earthquake are primarily explained.

初步解释了强震前兆次声波的产生机理和传播机制。

Characteristics of space time magnitude in precursory field and mechanism of precursor anomaly are analyzed.

分析了前兆场的时空强特征，前兆异常机理。

Therefore, East Asian winter monsoon is a precursory signal for the prediction of disastrous climate anomalies.

因此，东亚冬季风是一种预测短期灾害性气候异常的前兆信号。

The trace monitoring and comparative analysis of precursory anomaly is of great significance in seismic regime prediction.

前兆异常的跟踪监测与对比分析，在震情预测中有重要作用。

Application of digital filtering and time series analysis to earthquake precursory processing is summarized in this paper.

本文概述了数字滤波和时间序列分析在地震前兆信息处理中的应用。

Many other violent earthquakes sofar occurred in China, similar to the Haicheng earthquake, also had precursory earthquake swarms.

其他许多中国的大地震象海城地震一样，也有类似的前兆震群。

The method to optimize observatory distribution is very important to direct the optimization of earthquake precursory observatories.

文中所用的优化方法对于指导地震前兆观测台站的优化具有一定意义。

The results indicate that the support vector machine possesses extensive application prospects in processing earthquake precursory data.

研究结果表明，支持向量机方法在地震前兆数据处理中有着广泛的应用前景。

Signal shock and precursory earthquake swarm and foreshock activities always accompany the anomalous space-time patterns of seismic 'ty.

信号震、前兆震群和前震(包括早期前震)的确定应考虑到异常的地震活动时空图象。

With all that precursory information, you can now download the provided ZIP archive and unpack its content into a directory of your choice.

有了前面的那些信息，现在可以下载本文提供的 ZIP 归档文件，并将其中的内容解压到您选择的一个目录中。

In dissimilar areas the seismometry and precursory items that appear more frequently are different, which reveal the regional distinction.

不同的区域异常出现率高的测震和前兆测项不同，显示出区域差异。

The model might be used to explain a complex case in which real precursory anomalies have been observed, but no earthquake occurs afterward.

该模式可能被应用去解释实际观测中出现异常，而其后不发生地震活动的复杂情况。

There are many problems to be solved with the development of the earthquake precursory observation section during "the tenth five-year plan".

“十五”计划的地震前兆观测项目部分已经进入后期的建设阶段，各种实际问题亟待解决。

The feasibility of the application of the SQL SERVER copying technique in earthquake precursory data integration is explained through examples.

通过实例说明了SQL SERVER复制技术在地震前兆数据集成中应用的可行性。

The groundwater observation well-network for earthquake prediction in China is the largest precursory observation system except the seismograph array.

中国地震地下水动态观测网是我国仅次于测震网的第二大地震前兆观测系统。

Through precise observations (the error of which should be smaller than 1%), it is possible for us to obtain precursory information of the earthquakes.

通过精密观测(误差在1%以下)，能获得地震的前兆信息。

According to deduction from the model, the result shows that theoretical precursory field is basically consistent with practical data of groundwater anomaly.

按照这一模型进行的地下水理论前兆场正演的结果，与大地震前实际观测的地下水异常的典型图象，基本上是一致的。

They show precursory properties, and reflect the dynamic characteristics of microcosmic and macroscopic crack structure of the medium in the seismogenic zone.

它具有前兆的性质并反映出孕震区活动断裂中介质微观与宏观裂隙结构的动办学特征。

The method and soft of quantitatively analyzing and studying earthquake-generating process and its precursory variation mechanism in vertical section were given.

提供了当存在垂直力源和纵向非均匀时，定量分析研究垂直剖面上的地震孕育过程及其前兆变化机制的方法和软件。

By use of precursory deformation information and post-seismic effect some earthquakes are analysed and the potential source zones in 3-5 years are pre-estimated.

利用地震前兆形变信息和震后效应进行了地震震例分析。并对3 ~ 5年内的潜在震源区进行了预估。