In general, you should not create nodes with DOM Level 1 methods if you want to use XML Namespaces and perform any operation on your document that requires XML Namespaces support.

一般来说，如果希望使用XML命名空间，并且要对文档执行任何需要XML命名空间支持的操作，那么就不应该用DOM Level 1方法创建节点。

youdao

The system can support the project operation process and documents management using the Intelligent document technology founded on PDF.

该系统采用了PD F智能文档技术，实现了多个并行项目的业务流程支持和全程文档管理。

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"Member states shall have equal rights to manage the internet, including in regard to the allotment, assignment and reclamation of internet numbering, naming, addressing and identification resources and to support for the operation and development of basic internet infrastructure, " it said in a document submitted on 17 November.

BBC: Google attacks UN's internet treaty conference