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.

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。

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That's the premise gradually revealed in "The Old Boy, " a 1991 play by A.R.

WSJ: Review: Revival of Gurney's 'Old Boy' well-staged