宽带接入服务器结合网络设备实现了认证计费管理功能。
The broadband access server combined the network equipments can realize functions of charging, authentication and management.
如果用户想使用他们的移动设备，从标签上获取信息，那么首先必须获取后台服务器的认证。
If users want to use their mobile devices to obtain information from the tag, the back-end server must first obtain certification.
如果用户想使用他们的移动设备，从标签上获取信息，那么首先必须获取后台服务器的认证。
If users want to use their mobile devices to obtain information from the tag, the back-end server must first obtain certification.
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