Now we need to map our object hierarchy to our table model.
现在我们需要把对象层次结构映射到表模型。
The Order could be the root of another hierarchy in the data model.
订单可能是数据模型中的其他层次的根。
We want to build a tree viewer that displays the hierarchy of a model.
我们的任务是，构建一个树形的查看器用以显示模型的层次结构。
This is part of another model hierarchy, explained next.
这是另一个模型层次结构(接下来将解释)的一部分。
Through analyzing vehicle accident a novel model of hierarchy has built in this paper.
通过对车辆事故的分析，建立了影响因素的层次结构模型。
Through analyzing vehicle accident a novel model of hierarchy has built in this paper.
通过对车辆事故的分析，建立了影响因素的层次结构模型。
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