这些系统的用户群实际上有重叠，有些用户最终需要按顺序访问所有三个系统，以收集必要的信息。
These systems were actually utilized by overlapping user groups, with some users ultimately required to sequentially access all three systems to gather the necessary information.
它们有很多相同的概念，要处理的问题域也在很大程度上重叠：验证、授权和访问控制。
They both share a lot of concepts and a domain — the domain of authentication, authorization, and access control.
任务栏访问：允许应用程序整合各种Windows 7任务栏特性，比如任务栏按钮重叠、跳转列表、任务栏按钮进度通知等等。
Taskbar Access: Allow applications to integrate various Windows 7 taskbar features like taskbar button overlays, jump lists, taskbar button progress notifications etc.
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