The attribute value then forms the literal value of a statement.

属性值则成为语句的文字值。

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Attribute names MUST be converted to an attribute start token (which, if so defined, will also specify all or part of the attribute value) or MUST be represented by a single LITERAL token.

属性名必须转换成属性的起始标记(这个标记如果这样定义的话，也将指定全部或者部分的属性值)或者必须只用一个LITERAL标记来表示。

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This value attribute USES the XPath concat function to combine the literal string 'Hello' with the current value of the Name element in the model.

该value属性用XPath concat函数把文字串' Hello '和模型的Name元素的当前值连起来。

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