摘要
本文主要介绍中国公用传真存储转发业务网（ＣＨＩＮＡＦＡＸ）、电子数据互换业务网（ＣＨＩＮＡＥＤＩ）和电子信箱业务网（ＣＨＩＮＡＭＡＩＬ）的网络结构、规模、业务功能及用户接入方式。
In this article we mostly introduce the network structure,scale,service functions and user access method for China Public Fax Store&Forward Service Network(CHINAFAX),Electronic Data Interchange Service Network(CHINAEDI)and Electronic Mail Service Network(CHINAMAIL)。
