这种个性化模式决定了分层教学在目标、分层标准、内容等方面应注意关照学生客观存在的个体差异性，尊重学生的主体价值。
Because of that, it decides we need to attention the students' difference and their subject value from aim, criterion and contents.
对于标准的、基于文件夹的分层存储库，如文件系统，就相当简单了。
For a standard, folder-based, hierarchical repository such as your filesystem, this is a relatively simple proposition.
根据SQL标准，评估分层或双向数据的方法为递归通用表表达式(RCTE)。
According to the SQL Standard, the method to evaluate hierarchical or bi-directional data is the Recursive Common Table Expression (RCTE).
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