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
After a region has entered the period of industrialization, its three industrial structures shall remain relatively stable. This stability will not affect the continuous growth in the local economy.
一个地区进入工业化时期后，其三次产业结构将保持相对的稳定性，这种稳定性并不影响到当地经济的持续增长。
There are many problems with the three major industrial structures, the resource-rich cities and the cultural quality of the citizens etc in the urbanization of Heilongjiang province.
黑龙江省城市化的进程中，在三大产业结构、资源型城市及城市居民素质等方面存在着许多问题。
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