而对超图模型空间关系理论的改进更好地解决了时空对象的空间关系和时空对象之间关系的问题。
While, the theory of spatial relationships of hyper graph model is improved. It can solve the problems on the spatial relations in space-time object and the relations among spatiotemporal objects.
约束提供一种灵活、统一、简洁的方式来表达时空对象的特性，描述对象连续的变化，表示不完整的信息和满足复杂建模的要求。
Constraints provide a flexible, compact and uniform way to represent diverse data capturing spatiotemporal behavior, continuous change, incomplete information and complex modeling requirements.
利用对象-关系数据库AMOSII的数据扩展能力实现了时空对象在AMOSII中的存储方案、类型创建以及相应的操作管理函数。
Using RB_List we can execute different spatiotemporal topology analysis operations among moved regions. (4) Analyze the object-relation database AMOSII , especially its two interfaces.
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