... anatectic earthquake 深源地震 anetectic earthquake 深源地震 anomalous earthquake 异常地震 ...
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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.
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.
该文采用最小旅行时和SIRT法，对煤田中的地应力异常地震层析成像的方法进行成像研究，具有一定的理论价值和现实意义。
This paper, using the least travel time and SIRT method, study on the seismic tomography of stress abnormal in coal field. These have some theoretical and practical values.
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