A SaaS end user has access to the provider's application from a desktop or mobile device to process business tasks.

SaaS的终端用户有从桌面或者移动设备访问供应商的应用程序，来处理业务任务的权利。

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For example, when a mobile device client requests access to a back-end application, it sends authentication information to the issuing authority.

例如，当移动设备客户机请求访问后端应用程序时，它向发行认证机构发送认证信息。

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Or alternatively, a mobile device may already have a custom database that needs to be integrated into the back-end database.

或者，一个移动设备可能已经有了自定义数据库，需要将它整合到后端数据库。

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Or alternatively, a mobile device may already have a custom database that needs to be integrated into the back-end database.

或者，一个移动设备可能已经有了自定义数据库，需要将它整合到后端数据库。

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