The assumed use case is to have custom text maintained by the IT Department to show in the Login screen to inform the user about maintenance downtimes or other important information.

假定的使用场景是，由IT部门维护要在登录页面上显示的定制文本，从而向用户通知停机维护时间或其他重要信息。

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If this integer is non-zero, it is a session ID and the user is redirected to the account maintenance screen with the session ID tagged on to the URL.

如果这个整数非0，那么它就是一个会话id，并且使用标记有url的会话id，用户被重定向到账号维护界面。

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This series of vibrating screen features are: simple structure, reliable operation and maintenance convenience, the user hanging when ordering please specify type and seat type.

该系列振动筛特点是：结构简单，工作可靠，操作维修方便，用户订货时请注明吊式和座式。

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