本文以某一示范区的土地利用动态监测系统的研究为例，详细阐述了其变化图斑获取子系统实现的关键技术和过程。
The paper regards the system of the dynamic monitoring for land use as an example, and expounds detailedly the key-techniques and the process obtaining the change polygon.
本文以某一示范区的土地利用动态监测系统的研究为例，详细阐述了其变化图斑获取子系统实现的关键技术和过程。
The paper regards the system of the dynamic monitoring for land use as an example, and expounds detailedly the key-techniques and the process obtaining the change polygon.
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