In GIS, to set up coordinate system and scale correctly is a precondition that give full play to system's function and carry on space analyses.
在GIS中，正确地设置坐标系统和图件的比例尺，是充分发挥系统功能，进行空间分析的前提。
The technology has been used in a large scale GIS platform system, and the problem of magnanimity data integration and process has been resolved in large software development.
该技术已在大型国产GIS软件—灌区地理信息系统中得到实现，解决了大型软件开发及海量数据处理中遇到的集成问题。
Ideally, a variety of smaller scale spatial data can be automatically derived from a large scale spatial database. That requires model generalization technology in the GIS environment.
理想的情况是能够从大比例尺空间数据库自动衍生各种小比例尺空间数据，即实施GIS环境下的模型综合。
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