中文摘要：

在现今中国制度环境下,研究＂二重开放＂及区域结构的趋同抑或趋异具有很强的现实及理论意义。通过成熟模型进行数据实证分析,表明长三角产业结构总体趋异,区际化与国际化水平呈现阶段性特征,＂二重开放＂对于制造业区域结构差异的影响至少与地区行政垄断和经济发展水平差异的影响一样显著,＂入世＂前后长三角制造业区域结构差异水平发生了明显的变化。

英文摘要：

In the institutional environment of China,studying on the dual integration and convergence or divergence of regional structure has a strong reality and theoretical significance.Through the analysis of the mature model,the empirical test shows that the industrial structures of Yangtze River Delta emerge differently,regionalization and internationalization level present stage characteristics,the dual integration for regional structure differences of manufacturing industry has the same effection with local administrative monopoly and the difference of economic development level,the regional structure differences of manufacturing industry changed significantly before and after entering into the WTO.