Spatio-temporal database management system is a kind of DBMS that can deal with both spatial and temporal data.
时空数据库管理系统是能够同时处理时态数据和空间数据的数据库管理系统。
Organization of temporal attribute data and temporal treatment of spatial object are described.
文中还对模型的时态属性数据组织和空间对象的时态处理进行了描述。
Based on the fog and haze data from 11 meteorological stations in Shanghai, the temporal and spatial climatic characteristics and change laws of fog and haze days in recent 50 years were analyzed.
利用上海11个气象站点近50年的雾日和霾日统计资料,从时间和空间两方面分析了上海雾、霾日数的气候特征和变化规律。
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