矢量空间数据融合中最难的问题来自于数据的多源性、不一致性。
The most difficult problem in vector-vector data fusion is the multi-source and inconsistency of data.
而多源矢量空间数据融合最大的难题之一就是识别多源数据之间的对应实体。
While one of the most difficult tasks in vector-vector data fusion is the identification of corresponding object of multi-source data.
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