In cases where the data used to populate a target field is dependent on some condition, that condition can be applied to the mapping on that target field.

对于要依赖某种条件来使用数据填充目标字段的情况，可以对该目标字段上的映射应用条件。

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After the user selects a value from the list and the control loses focus (upon the blur event), the controls that are dependent on the current field are cleared.

用户从列表中选择了一个值之后，控件将失去焦点(在blur事件发生时)，依赖于当前字段的控件将被清除。

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The actual appearance of this data, however, is dependent upon the value of the engine field, controlled by the select list at the top.

然而，数据的真实外观是由顶部的选择列表控制的engine字段值决定的。

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This hierarchy is solely dependent on the performance of the players on the field.

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