Transformation requirements are most frequently influenced by the variety of data sources and as such, the capability to define the characteristics of complex transformations is key.
转换需求最常受到各种数据源的影响，因此，定义复杂转换的特征的能力是关键。
This makes it suitable for use in a variety of "glue" applications that need XQuery support together with the capability to interact with data from varied external sources.
这使它适合用于各种同时需要XQuery支持和与外部数据源交互的功能的“复合”应用程序。
According to the feature of spatial data sources, a method to express capability of the spatial data sources is presented, including exported schema, query capability and transformation capability.
根据空间数据源的特点给出一种表示空间数据源能力信息的方法，包括导出模式、查询能力和转换能力。
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