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On the difficulties of agri-industrialization in the rural areas of different types;

我国不同类型地区农业产业化发展难点研究

Through investigation and analysis,it is found that different types of policemen training not only embody common features in arrangement of courses,but also distinct ones.

通过调查统计分析发现,不同类型培训在课程设置上既具有共性,又具有个性差异。