基态修正模型是目前应用较广的一种时空数据模型。
The base state with amendments model is used widely as a spatiotemporal data model.
本文在基态修正模型的基础上，对时空数据更新和查询的方法进行探讨。
In this paper, the author studied the methods of spatiotemporal data updating and query on the basis of base state with amendments model.
基于基态修正思想，设计栅格时态层由四张关系表组成，并设计其表结构。
Based on the ideas of base state with amendments, the temporal layer of raster is designs by four relational tables, and the structure of tables is also given.
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