Thus, all data in the.dbf files, which contain non-spatial attribute information, is still encoded in ASCII format.

因此，. dbf文件中的所有数据(包含非空间属性信息)仍然以ascii格式编码。

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Because of the particularity of spatial data, the traditional spatial data management methods couldn't deal with spatial data and attribute data at the same time effectively.

由于空间数据的特殊性，传统的空间数据管理方法都不能很好地处理空间数据与属性数据这两种异质数据。

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In addition, this technology helps the maintenance and management of the system spatial database, and keeps the system space attribute data current.

另外，该技术还有利于系统空间数据库的维护和管理，保持系统空间数据的现时性。

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