为了制备高分辨率的地形图，建立了地形的分形模型，然后进行插值处理。

Fractal terrain model is established for interpolation to obtain terrain graphs of high spatial resolution.

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地形图的数字化对构建地理信息系统有十分重要的意义。

Digitization of topographical maps is significant for creating geographical information system.

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我国基本比例尺地形图是以国际百万分之一地图分幅为基础，按一定的经差和纬差划分图幅。

Basic scale topographic map is bases on one of million international map subdivision and divided by Longitude difference and Latitude difference.

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