元数据浏览器只显示适用于用户选择的数据操作的对象和字段。

The metadata browser displays only the objects and fields that are applicable to the user-selected data operations.

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使用实际数据之上的包装脚本和元数据意味着，对于屏幕上任意的附加的字段，只有元数据需要添加到数据库中。

The use of the wrapper script and metadata over the actual data means that for any additional fields to the screens, only metadata needs to be added to the database.

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虽然收集文章中数据的表单拥有更多的字段，但XML文档只披露那些提供元数据信息和将要存储到DB 2中的字段。

While the form that collects data for an article has many more fields, the XML document surfaced only those fields that contributed metadata information and would be stored in DB2.

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