文中解决了空间数据库中属性的汉字显示问题，并且实现了数据的按比例显示和一些简单的空间属性查询等。
Attributes of spatial database show with Chinese characters, it can show the data according to the scale, the system also can do some easy select and so on.
按照空间属性聚集这些行的效果取决于在查询时对一个数据子集的访问。
The effects of clustering the rows by their spatial properties rely on accessing just a subset of the data during query time.
因此，下面的查询根据空间数据类型的属性来计算数据的宽度。
Therefore, the following queries calculate the size of the data based on the attributes of the spatial data types.
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