Launch assistive technologies at login time by associating a user action with an assistive technology application.

登录时启动辅助技术,联接用户动作和辅助技术应用程序.

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Thus, single - sign - on is very important, it just need login time to access many distribute resources.

因此为用户提供 单点 登录的功能显得尤其重要, 这可以使用户一次登录就能访问多个资源.

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