The concept of multilevel decision making is raised for solving the decision making problems in hierarchical administrative structure.
层次管理结构中的决策问题引出了多层决策概念。
Methods According to the hierarchical structure of the data, multilevel statistical model was used to fit the data.
方法根据该类资料具有层次结构的特点，进行了两水平模型的拟合。
Methods According to the hierarchical structure of the data, multilevel statistical model was used to fit the data.
方法根据该类资料具有层次结构的特点，进行了两水平模型的拟合。
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