This paper gives a method of computer aided digitization for map plate-making, introducing its working process and advantages.

本文主要介绍一种采用微机进行地图数字化处理并进行地图制版的方法，阐述了其优越性。

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A method of digitization of map information was mathematically conducted and a computer programme was developed, according to the coordinate systems in cylinder and cone map projections.

根据地图投影坐标系，经过数学推导，将地图信息要素进行数字化。

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Map scanning digitization is one of the ways to capture spatial data in GIS. After digitization, the geometrical figure and area of a figure may change because of errors.

地图扫描数字化是GIS数据采集的重要手段，地图上的图形经扫描数字化后，其几何形状和面积因误差的存在而发生改变。

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