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n1991,wefoundhistoricalbigearthquakeactivitiesalongthelatitudelineof35°inChinahaveaperiodof60yearsanditsmultiple,theepicenter...
n1991, wefoundhistoricalbigearthquakeactivitiesalongthelatitudelineof35 ° inChinahaveaperiodof60yearsanditsmultiple, theepicenter ...