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

词汇	database model
释义	database model短语²⁴¹⁰⁰ 基本例句数据库模型 A method of handling NULL value in uncertain database systems was put forward, which could improve the problem of handling NULL value.为此，给出了一种非确定性数据库系统中空值处理方法，改进现有非确定性数据库模型中对空值处理不完善的情况。
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