数字高程模型(DEM)是一定区域范围内规则格网点的平面坐标及其高程的数据集或者是经、纬度和海拔高度的数据集。
DEM (Digital elevation Model) is a data set of plane coordinate or longitude, latitude, and elevation of the regular square grid points in some region.
这些模型是通过数字印刷过程有如喷墨印刷，是在非常精细的创作成果的精确高度。
These models are printed through a digital process, just like inkjet printing, that results in the creation of very fine detail with a high degree of accuracy.
这些模型是通过数字印刷过程有如喷墨印刷，是在非常精细的创作成果的精确高度。
These models are printed through a digital process, just like inkjet printing, that results in the creation of very fine detail with a high degree of accuracy.
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