The most systematic and worthy theory on study of the agriculture surplus labor force transfer is the theory of Dualistic Structure.

其次全面系统介绍国外学术界关于农村剩余劳动力转移的理论研究成果；

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This paper, by means of the consumer behavior theory of economics, starts with the partiality analysis of the forest food from consumers, analyzes the characteristics of its dualistic value structure.

再次是价值结构分析，包括对利益、公正、自由三重结构的分析和对价值结构的性质、类型、能级、层次、序列的分析。

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