Quality control is also typically eased by using content from databases because the data entry programs can check the input more easily than an HTML editor can for static pages.
使用来自数据库的内容通常还会简化质量控制，因为与用 HTML 编辑器检查静态页面相比，数据输入程序可以更容易地检查输入。
However, how to evaluate and control the quality of all sorts of data in the course of building DEM is a bottleneck problem of establishing various type databases and GIS.
如何评估利控制数字高程模型建立过程中各种数据的质量，是建立各种类型数据库和地理信息系统的“瓶颈”问题。
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