spatial date的用法和样例：
例句
- Data of SWEM include spatial data and table data.
水土保持监测数据根据数据格式划分，可分为空间数据和表格数据。 - It has been recognized in the past that the traditional Database Management Systems cannot handle efficiently spatial data in mutil dimensional space.
空间检索技术是有效地管理和操纵空间数据的一种必要手段。
