In most GIS nowadays, the spatial data store in the files created by itself while the attribute data store in the relation-database.
当前大多数的GIS系统中,空间数据放在自建的文件中,属性数据放在关系数据库中。
As it is impossible to unify the formats of the files provided by different GISs, the processing of GIS data is onerous when designing the GIS interface.
由于无法统一不同GIS提供的数据文件格式,在进行接口设计时对GIS数据的处理工作十分繁杂。
As it is impossible to unify the formats of the files provided by different GISs, the processing of GIS data is onerous when designing the GIS interface.
由于无法统一不同GIS提供的数据文件格式,在进行接口设计时对GIS数据的处理工作十分繁杂。
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