最终称之为“文件”的这些数据集得到普遍使用，这样一个程序就可以生成可由批处理序列中的下一个程序读取的输出。

These data collections, eventually called "files," were normally used so that a program could generate output that would be read by the next program in a batch sequence.

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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。

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.

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消息流程的输入消息由应用程序来生成，类似地，消息流程的输出消息由应用程序来接收。

Input messages for a message flow are generated by an application and, similarly, the output messages from the message flow are consumed by an application.

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