以下为句子列表：
英文: Based on the MAPGIS software, this paper discusses the method of dividing layer, assigning layer, coding layer of graphic data and the method of coding ID key character related to the attribute data in the process of establishing the geological disaster i
中文: 摘要介绍了基于MAPGIS平台建立瓦窑沟流域地质灾害数据库过程中，图形数据的图层划分、命名、编码及与属性数据相连接的ID关键字段的编码方法。
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