The paper summarizes from its background, formation process, science content, meaning problem and the path of realization. It points out the problems that need further investigation theoretically.
文章就其提出的背景、形成过程、科学内涵、意义问题及实现途径作以综述，并指出了在理论上需要进一步研究的问题。
In this article the scientific research background of the problem a in the CUMCM - 2 0 0 0 as well as its intention and conception are simply stated.
本文简述2 0 0 0年全国大学生数学建模竞赛A题的科学研究背景，以及题目的立意和设计。
The first part contains background of the problem and its significance, literature review and analysis of related concepts, the theoretical basis and the research framework.
第一部分，介绍问题的提出背景及其意义、文献综述、相关概念的解析及理论基础、研究框架。
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