现代经济社会是由不同种类的组织构成的，其中以经济组织最为重要，它也是管理学研究的主要对象。

Modern economic society is composed largely of different varieties of organizations, especially the economic organizations; they are the main objects of management studies.

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介绍农民合作经济组织的种类；

This paper introduces the farmers cooperative economic organizations range;

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