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本文的经济模型是为探讨和模拟62个国家和地区之间的贸易问题而提出来的。本文对结构上的主要原理和方程式进行了描述,并介绍了国内生产总值的增长情况,对各地区间的贸易水平作了一些结论。
The economic model of this paper is put forward to explore and simulate the trade issues in 62 countries and regions. This article describes the main structural principles and equations, introduces the growth of the GDP, and makes some conclusions about the trade levels among different regions.