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Network-fax service system is integrated with telephone network and Internet.
网络传真服务系统是电话网络和英特网的整合。
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Broadband - Integrated Service Data Network?
宽带综合服务数据网b - ISDN ？
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Broadband - Integrated Service Data Network?
宽带综合服务数据网b - ISDN ？
youdao