It not only happens between industries for structure conversion, such as the alternation of leading industries, but also happens in a certain industry for upgrade.
产业转型不仅表现为不同产业之间的结构转换(如主导产业的更迭)，也表现为某一产业内部的转型升级。
With the adjustment of electric industry structure and upgrade of electric technology, the traditional electric exploration and design market competes intensely.
随着电力技术升级和电力结构的调整，传统的电力勘测设计市场竞争异常激烈。
Metal powder materials have great significance to promote the nonferrous metals industry and chemical industry to upgrade its technology and promote the optimization of the industrial structure.
金属粉体材料对促进有色行业和精细化工行业技术升级，推动优化产业结构具有重要意义。
The causes are three regions' low urbanization level, the slow internal structure upgrade in tertiary industry, the existence of system restriction;
导致这些问题出现的原因是各地城市化水平低、第三产业内部结构升级缓慢、存在制度约束；
Jing Xueqing, "Industry Structure Upgrade and Economy Growth: an Analyses of the Yangtze Delta Area," Journal of Nantong University (Social Science Edition), no. 3 (2005), pp. 45-49.
靖学青：《产业结构高级化与经济增长——对长三角地区的实证分析》，《南通大学学报(社会科学版)》2005年第3期，第45 - 49页。
Jing Xueqing, "Industry Structure Upgrade and Economy Growth: an Analyses of the Yangtze Delta Area," Journal of Nantong University (Social Science Edition), no. 3 (2005), pp. 45-49.
靖学青：《产业结构高级化与经济增长——对长三角地区的实证分析》，《南通大学学报(社会科学版)》2005年第3期，第45 - 49页。
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