定义模型的部分过程是标准化一组通用元数据属性（如标题、说明和作者等），这些属性是所有内容类型中所通用的。

Part of the process of defining the model was to standardize on a set of common metadata properties (such as title, description, authors, and so on) which are common across all content types.

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实施操作过程，如果它是一个协作源，就使这个数据对于这个属性代理是可利用的，或者如果它是一个协作目标，就使这个数据通过属性代理传递进来。

Implement the action processing to make the data available to the property broker if it is a cooperative source or, if it is a cooperative target, to get data passed in by the property broker.

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如果子组件包含一个或多个属性，那么这个过程会复杂一些，因为要用一个单独的步骤向元素的开始标记中写入属性。

If the child component includes one or more attributes, though, this sequence is complicated by the need to write the attributes to the element start tag as a separate step.

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