本文采用空间扫描方法，按选区和时段做震级—频度统计，计算年平均地震数。
Using the spatial scan method, the paper made magnitude frequency statistics according to the regions and calculated mean seismic number.
地震震级频度的古登堡·里克特关系式(简称g - R关系式)一直是许多地震学问题研究的重要前提之一，然而实际分布常常与这一关系式有一定的偏离。
The G-R relation between the earthquake magnitude and frequency has been an important premise in seismological study, but its actual distribution often deviates from its theoretic result.
该段的地震活动属特征地震模式，不服从古登堡·里克特的线性震级频度关系。
The seismicity of this segment does not follow the linear frequency-magnitude relationship described by Gutenberg and Richter because it is controlled by the characteristic earthquake model.
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