Conception of Gini coefficient in mathematical economics is applied in seismology to study the seismic centralized degree in the space.

将数理经济学中基尼系数的概念引入到地震学中，研究地震活动在空间的集中程度。

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They may be taught the basics of interest rates as a mathematical principle, but applied economics is a topic often left until high school for study.

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