Minutes
发表于 2025-3-23 09:56:27
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overture
发表于 2025-3-23 16:31:18
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Injunction
发表于 2025-3-23 21:39:32
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reperfusion
发表于 2025-3-23 23:22:42
A Common Spatial Model for GISme of the basic operations in GIS, including dynamic and kinetic applications. We examine issues of topology and data structures, and produced a tessellation model that may be widely applied both to traditional “object” and “field” data types. Based on this framework it can be argued that tessellati
文字
发表于 2025-3-24 06:16:10
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Pseudoephedrine
发表于 2025-3-24 09:46:39
Spatial Data Quality: Problems and Prospectss have been established, theoretical models of error developed, new visualization techniques introduced, and metadata now routinely documented for spatial datasets, difficulties nevertheless exist with the way data quality information is being described, communicated and applied in practice by users
艺术
发表于 2025-3-24 13:07:12
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轮流
发表于 2025-3-24 18:11:02
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Hiatus
发表于 2025-3-24 22:10:12
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忍耐
发表于 2025-3-25 02:34:55
Moving Objects in Databases and GIS: State-of-the-Art and Open Problems model, store, retrieve, and query the movements of spatial objects over time, called ., and to ask queries about such movements in a database context. A moving object represents the . evolution of a spatial object over time. In some cases, only the time-dependent locations are of interest, and we s