海岛港口地域组合区域基础的类型划分及地域分异规律研究；
The cluster of port system of island and some regularity of spatial discrepancy;
并运用多元回归分析方法探讨了该港口体系规模组合与空间结构地域差异的成因机制；
The main purpose of this research is to study the regional differences and dynamic evolution of the size combination and spatial structure of the Changjiang River port system in Anhui Province.
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