As mentioned before, the main job of the PPE in the Cell be processor is to handle the input and output tasks.
正如前面介绍的一样，Cell BE处理器中的PPE的主要任务是处理输入和输出任务。
2
Since the input to the stylesheet is the output of the pre-processor, the stylesheet effectively outputs the XML document generated by the pre-processor.
因为样式表的输入是预处理程序的输出，样式表可以有效地输出预处理程序生成的XML文档。
3
Still, the point I'm trying to make is that the XSLT processor treats its input and its output as trees. That treatment has three important consequences.