In earthquake process, average strain rate of the research block is equal to the sum of all seismic moment tensors of the earthquakes taking place in unit time and physical volume.
所研究地块内地震过程引起的平均应变速率等于发生在单位时间、单位体积内的所有地震的地震矩张量之和。
From 1950s to 1980s, there was an obvious decreasing trend in the rate of seismic moment release in Chinese mainland and the Eastern Hemisphere.
从5 0 ~ 80年代，中国大陆及东半球的地震矩释放速率有明显的下降趋势。
Since 1990s, the rate of seismic moment release has increased to some extent.
90年代后，地震矩释放速率有所回升。
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