This article presents how to set some attributes of ADO objects, create user interfaces combining some relative databounding controls, and program simple database applications.
Although the bounding box is a polygon defining the area represented for the user, I simplify and use one point of this data.
尽管这个边界框是一个用于定义表示用户的区域的多边形,但我简化并使用该数据的一个点。
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To find out, issue a spatial data query that reports all cities such that the bounding box of the tsunami line intersects the geographical city center.