As a kind of newly developing business, its charge system and communication course control are closely combined together.
作为一种新兴业务，其计费系统与通信过程控制非常紧密地结合在一起。
As a kind of newly developing business, its charge system and communication course control are closely combined together.
作为一种新兴业务，其计费系统与通信过程控制非常紧密地结合在一起。
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