No type is associated with the object, so you can modify this structure freely.

每个对象并不与类型相关，所以可以自由地修改这种结构。

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While some programs look up and modify the values contained in XML documents, others modify the structure of the document itself by adding and removing nodes.

一些程序查询和修改XML文档中包含的值，而其它程序则通过添加和除去节点来修改文档本身的结构。

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If you choose to use a different directory structure, make sure you modify these directory names appropriately.

如果选择使用不同的目录结构，一定要相应地修改这些目录名。

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Dr Ewan said other researchers were working to modify the structure of the protein in peanuts thought to trigger most cases of allergic reaction.

BBC: New technique for safer peanuts

Even after that point, the structure of the content was not something you could massage or easily modify to be in tune with the way you might want to look at information.

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