区域产业结构的变化对土地利用结构有决定性作用，从而对耕地质量保护形成决定性影响。
The industrial structure upgrading has great affections on cultivated land quality protection by changing mode and degree of regional land use.
揭示了该地区土地利用数量变化的幅度、速度以及空间变化的区域差异、结构差异等特征。
The range, speed of land utilization quantity change and regional difference, space difference of land utilization spatial change were posted.
论文第四章分别从土地利用变化幅度、土地利用变化速度、土地利用结构变化、土地利用程度变化和土地利用变化的区域差异等不同角度分析了1994～2002年期间昆山市土地利用变化的过程，并总结了其变化规律。
Secondly, as a case study of Kunshan City, the paper analyzes the progress of land use change during the time from 1994 to 2002 and summarizes the rules of land use change in several ways.
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