英语词汇“Police Spatial Database”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Police Spatial Database
释义	Police Spatial Database 基本例句空间数据库 Selectivity Estimation is the base of spatial database query optimizer.选择性估计是设计空间数据库查询优化器的基础。 We should set up spatial databases that have a direct relationship to the physical world.我们应该建立与物质世界有直接关系的空间数据库。
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