It is set by the work item tracking object model (OM).

它通过工作项跟踪对象模型(OM)进行设置。

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In that case, the data set takes on the role of a model object.

在这种情况下，数据集对模型对象的角色。

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In that case, the data set takes on the role of a model object.

在这种情况下，数据集对模型对象的角色。

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