方法二是震间地震活动法；方法三是对数时间间隔法。
These methods include: the direct- indirect aftershock method, shock-to-shock seismic activity method and logarithm time interval method.
方法二是震间地震活动法；方法三是对数时间间隔法。
These methods include: the direct- indirect aftershock method, shock-to-shock seismic activity method and logarithm time interval method.
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