The key attribute is functioning as a label on the address_rec container to provide a unique identifier for the record.
key属性的作用是充当address_rec容器上的一个标签，为记录提供一个惟一的标识符。
There is no label beside the data entry field, but it has a long description, so the title attribute should be set for this form.
数据输入字段旁没有标签，但有一段长描述，因此应当为此表单设置title属性。
Add the for attribute for the label using a value that matches the id attribute of the connected data entry element.
使用与相关数据条目元素的id属性相匹配的值为标签添加for属性。
You can also add attributes when you extend a type, as in Listing 11, where the ParaType complex type definition is extended to add an attribute for label=.
也可以在扩展一个类型时添加一些属性，如 清单11 所示，其中，ParaType复杂类型定义被扩展为为label= 添加一个属性。
I've also applied an optional attribute to the edge — label — that names the edge on the graph.
我还对边使用了一个可选的属性label，用它来表示边在图中的名称。
The second important attribute is the label, which consists of the human-readable version of the category.
第二个重要的属性是label，包含易于阅读的类别版本。
You must pass four parameters back to Nautilus, including name, attribute, label, and description. The Python code for this example is.
必须向Nautilus传递4个参数，包括name、attribute、label、以及description。
This example USES the LABEL element and the ACCESSKEY attribute to set focus on a text box.
下面的例子使用了LABEL元素和ACCESSKE y属性设置文本框的焦点。
If the empty interface is being used to label a set of types, replace the interface with a custom attribute.
如果空的介面用于标记一组型别，请以自订属性取代此介面。
If the empty interface is being used to label a set of types, replace the interface with a custom attribute.
如果这个接口被用来在运行时标示一组类型，将它替换为自定义属性。
If the empty interface is being used to label a set of types, replace the interface with a custom attribute.
如果这个接口被用来在运行时标示一组类型，将它替换为自定义属性。
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