| 1. | Contains a collection of namespace objects
包含命名空间对象的集合。 |
| 2. | The basic type of spatial object includes point , polygon and line
基本空间对象类型包括点对象、面对象、线对象。 |
| 3. | Dual grid is another spatial expression approach based on discrete geometry
双网格也是一种基于离散几何的空间对象表示方法。 |
| 4. | Geodatabase provide the better method to express spatial object
Geodatabase数据模型的发布，为空间对象的表达提供了更好的方式。 |
| 5. | Representation of topological similarity relationships for spatial objects in multi - scale representation
多尺度空间对象拓扑相似关系的表达与计算 |
| 6. | The spatial attribute is a coordinate geometry , or vector - based representation of the shape of the feature
而空间数据则为空间对象的几何坐标或向量表示。 |
| 7. | It is proved that string is relatively effective on expressing direction relations of spatial object
实践证明，字符串在表达空间对象的方向关系上较为有效。 |
| 8. | 050 the data that indicates the earth location ( such as longitude and latitude ) of these rendered objects is the spatial data
用于表示空间对象地标（例如经度和纬度）的数据就是空间数据。 |
| 9. | R - tree , like b + tree , is dynamic balanced tree , the search key is based on spatial object ' s minimum bounding rectangle
R树是一种类似于b ~ +树的动态平衡树，其索引项基于空间对象的最小外接矩形。 |
| 10. | Spatial index is a indispensable part of spatial database , and can dramatically improve efficiency when doing a spatial query
空间索引作为空间数据库中的重要组成部分，可以加快对空间对象的检索。 |
