成组地震的首发地震前兆异常数量比结束地震多。
The anomalies of the first earthquake were more than those of the last earthquake of group earthquakes.
地倾斜固体潮分析中根据固体潮汐的畸变、趋势、上升、下降、转折等变化特征，提取地震前兆异常信息。
The seismic precursor abnormal information extraction of tilt solid tide usually based on the distortion, tendency, elevation, fall, break and so on characteristics of solid tide.
综合分析中小地震活动和前兆异常群体演化特征，对于判定中期地震危险区是十分重要的。
It is helpful for judging the emphatic area of medium term earthquake risk by synthetical analysis of seismic activity and the features of precursory anomaly evolution in group.
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。
Signal shock and precursory earthquake swarm and foreshock activities always accompany the anomalous space-time patterns of seismic 'ty.
以唐山地震等实例分析了与诱发有关的异常地震活动和前兆变化。
By using the Tangshan Earthquake and the others as examples, the anomalous seismic activities and their precursory variations related to the induced action have been analysed.
并用此方法对永年等前兆资料进行了处理分析，结果表明，这些手段在地震前分别有明显的异常显示。
The precursory data observed by Yongnian seismostation etc. are processed with this method. The results show there are obvious anomalies in these observations before some earthquakes.
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。
According to deduction from the model, the result shows that theoretical precursory field is basically consistent with practical data of groundwater anomaly.
这对不同时期的前兆异常判断以及地震的预测具有重要意义。
This plays an important role in judgement of precursor anomaly of different term and earthquake prediction.
氦气在林甸5.1级地震前具有明显前兆异常变化。
And the helium content anomaly before the Lindian M_S 5.1 earthquake is also notable.
异常地震活动在出现和转折时间上与震前多种前兆异常变化相一致。
Temporally, the occurrences and their variations of the abnormal earthquakes correlated to the variations of precursors.
本文选取朝阳和金县的台站水准观测资料来探讨形变前兆异常与地震的关系。
Based on the observations on Chaoyang and Jinxian seismic stations, this paper discussed the relationship between the precursor anomalies and earthquakes.
地震宏观前兆异常具有独特的映震特征，在地震预报过程中起到重要作用。
Earthquake macroscopic omen anomaly has particular reflecting earthquake traits, which plays an important role in earthquake forecast.
说明地磁异常变化是一种有希望的地震前兆现象。
It indicated that the geomagnetic anomaly is a promising phenomenon in the studies of earthquake precursors.
研究发现三马坊水温对应某些构造带上的地震，其前兆异常有相似性和重复性特征。
The anomaly of Sanmafang water temperature is correspondent with some earthquakes, and its shape of anomalies is repetitive and alike.
大同地震前多井出现水氡的趋势性正异常，是与张北地震水化前兆最显著的不同之处。
Before the Datong earthquake, water radon in many Wells showed trend positive anomalies, which is obviously different with the hydrochemical precursors of Zhangbei earthquake.
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.
地震前兆观测异常信息识别是前兆研究的基础。
The recognition of the anomaly information from observation data is the basis for the research on earthquake precursor.
这种现象，为观测地震波特性的前兆异常给予了启示。
Such a phenomenon has enlightened us on the precursory anomaly of the observed wave characteristics.
因此，对两类异常关系的研究对于识别地震前兆特别是短临前兆至关重要。
So, research on the relation of the two types of anomalies for identifying the earthquake precursor especially the short impending precursor is very important.
地震前兆观测异常信号识别是前兆研究的基础，但是前兆现象的识别始终存有较大争议。
Recognizing earthquake precursor signals is the basic of precursor research. But there are some disputes still.
这些异常进一步表明电磁波接收仪能反映地震前兆。
The anomalies showed that the electromagnetic receiver can reflect earthquake precursors.
通过对区域前兆原始观测数据的处理，突出了这次地震前的应变和地磁总强度短临前兆异常信息。
By processing data of precursory earthquakes, we try to find the useful anomaly information from the data of strain and total geomagnetism intensity.
结果表明，地电阻率各向异性度(S)异常变化中的地震前兆信息量大于地电阻率异常变化中的地震前兆信息量。
The results show that more information was received from the variation of s than from that of ground resistivity.
远场前兆异常一般具有双重或多重前兆的性质，它们是比较可靠的前兆异常，可为预报地震提供依据；
Far-field precursory anomalies always are the bi-or multi-precursors, and they have been examined by earthquake, so they are reliable anomalies for the prediction of sequential earthquakes;
并用地下水异常、激光锁相应变仪测到的地震前兆，分析了地球自转短周期与地震的关系。
We have also analyses the relation between short cycle of earth rotation and earthquakes, according to the an…
人们把观察到的—些与地震发生有密切联系的异常现象称为地震前兆。
The people observe - to occur with the earthquake have the close contacting abnormal phenomenon to be called the earthquake omen.
计算结果表明，在若干次地震前，出现前兆系统的减熵异常过程，显示出在地震的孕育过程中，震源系统从无序向有序演化的过程。
The results show that the anomalous process on systematic decreasing entropy appears prior to several earthquakes, which indicates that the source system has evolved from disorder to order transiti…
计算结果表明，在若干次地震前，出现前兆系统的减熵异常过程，显示出在地震的孕育过程中，震源系统从无序向有序演化的过程。
The results show that the anomalous process on systematic decreasing entropy appears prior to several earthquakes, which indicates that the source system has evolved from disorder to order transiti…
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