英语词汇“data base querying”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	data base querying
释义	data base querying 基本例句数据库查询 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。
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