1·Signing messages always involves preprocessing to convert the XML into a canonical form.
签名消息总是包含预处理，将XML转换成标准格式。
2·It provides a pipeline framework for preprocessing and validation of documents.
为预处理和验证文档提供了管道框架(pipeline framework)。
3·However, you will probably find it much more convenient to use the InfoSphere Warehouse built-in data preprocessing capabilities.
然而，您将可能发现其更便于使用InfoSphere Warehouse内置数据预处理功能。
4·First, the you must modify the chapter1.xml file to remove the XML preprocessing directive and the DOCTYPE element.
首先，必须修改chapter 1 . xml文件以删除xml预处理指令和DOCTYPE元素。
5·One is all the preprocessing and transforming of the data into the proper view for analysis.
一是把数据预处理并转换成适当视图用以分析的所有操作。