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地理信息系统为普通高中地理必修三第三章第一节的教学内容。本章内容为新课标新加内容,与计算机操作和生产生活应用联系紧密。所以本节内容更侧重于技术的应用,在教材处理上对GIS工作原理及发展史部分内容进行了弱化,设计为学生自读材料,教学重点放在了地理信息系统应用介绍方面。本节内容分为两部分。第一部分为GIS工作的图层合并原理,在GIS的工作原理中,图层合
Geographic information system for the general high school geography compulsory three chapters third chapter first teaching content. The content of this chapter is the new additions to the new curriculum standard, closely linked with the computer operation and production and life applications. Therefore, the content of this section is more focused on the application of technology. In the processing of teaching materials, the part of the working principle and development history of GIS is weakened, designed as a self-read material for students, and the teaching focuses on the application of GIS. This section is divided into two parts. The first part is the layer merging principle of GIS work. In the working principle of GIS, the layers are combined