从工作实际出发，就吉林省第二次土地调查工作底图（DOM）的精度，通过外业实测检测点的方法，对其进行检测。

Proceeding from the reality of work, this paper detected the accuracy of base map(DOM) in the second land survey of Jilin province, using the method of field measured checkpoints.

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二维方面包括底图数据的制作、信息查询、地址匹配渲染、专题图制作和剖面图的制作；

Two-dimensional includes map production, information query, the address matches and rendering, thematic map production and the production profiles;

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