As any system administrator can tell you, managing enterprise users and groups is a time-consuming process.

任何系统管理员都会告诉您，管理企业用户和组是一个耗时的过程。

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Suppose that we have a new J2EE human resources system that lets users perform certain print-related tasks, such as sending a document to a printer and viewing and managing print queues.

假定我们有一个新的J2EE人力资源系统，可允许用户执行打印相关的任务，如将文档发送到打印机和查看与管理打印队列。

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This often elicits new requirements as new groups of users are accessing the system, and having a means of capturing and managing these requirements can extend the application's longevity.

这经常会由于新用户组访问系统而产生新需求，如果能够捕获和管理这些需求，将能够延长应用程序的寿命。

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