②The conversion velocity coefficient and directive coefficient of three industrial structures in Yulin city indicated: The conversion velocity of three industries structure present crescent state from 1998 to 2003 . The conversion velocity coefficient reaches maximum 0.2755 during 1998-2003.
②产业结构转换速度与转换方向结果表明,1978-2003年,榆林市三次产业结构转换速度呈现逐渐增加的态势;1998-2003年产业转换速度达到最大值0.2755。
参考来源 - 能源富集贫困区农村转型发展态势与优化战略·2,447,543篇论文数据,部分数据来源于NoteExpress
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