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Why do people want to base their object models on existing data schemas?
为什么人们想以已有的数据模式作为对象模型的基础?
youdao
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You do not have permission to access the requested data or object!
您没有权限访问所需的数据或对象!
youdao
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You do not have permission to access the requested data or object!
您没有权限访问所需的数据或对象!
youdao