Each table row needs to select the correct data, which is achieved by selecting the amt attribute, which represents the total amount.

每个表行都需要选择正确的数据，这可以通过选择amt属性实现，该属性代表的是总的数量。

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The most interesting change with options, parameters, and variables is the removal of the value attribute; values are now the result of evaluating an XPath expression defined by a select attribute.

对选项，参数和变量来说，最有趣的变化是移除了值属性；现在值是一个 Xpath 表达式的计算结果，该表达式由一个选择属性定义。

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That means the XSL processor looks for XML elements that match the expression defined by the "select" attribute of <xsl:apply-tempates>.

这意味着：XSL 处理器查找与 的 "select" 属性定义的表达式相匹配的 XML 元素。

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