The first is done using a lookup table and the second is done by generating a CSS file that has the widths for each data element used.

第一种数据是用一个查询表提供的，第二种数据是用一个CSS文件提供的，这个文件为每个数据元素指定了宽度。

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For example, the format of an XML file of screen labels lookup table might be the following.

例如，屏幕标签查询表的XML文件的格式可能像下面这样。

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