以下为句子列表:
英文: Between the center and the devices, the duplex communication links are created through the public switched telephone network, thus the remote management for the devices is realized.
中文: 集中管理中心与集中管理式电话计费器之间可通过公众电话网以拨号方式建立双向通信链路,从而实现对集中管理式电话计费器的远程管理。
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