首先，利用原土地利用详查图件，生成详查成果的数字线划图。
First, we make the Digital Line Graphic with land use Detailed Survey graphs.
通过选用不同的隶属函数和不同的评判模型对同一数字线划图进行了评价，得出了一些有益的结论。
The same digital linear graphics is evaluated by different membership functions and different evaluation models, it result in some useful conclusions.
数字栅格图和数字线划图是可以低成本获取的两种数字地图，而DLG是目前最普遍的矢量数据格式，是GIS的主要数据来源。
Digital raster graphic(DRG) and digital line graphic(DLG) are two digital maps that can be taken cheaply, and DLG is a commonest data format now, it is the main data source of GIS.
数字栅格图和数字线划图是可以低成本获取的两种数字地图，而DLG是目前最普遍的矢量数据格式，是GIS的主要数据来源。
Digital raster graphic(DRG) and digital line graphic(DLG) are two digital maps that can be taken cheaply, and DLG is a commonest data format now, it is the main data source of GIS.
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