短語詞組短語messaging open system 通信開放系統(tǒng)unified messaging service system 統(tǒng)一消息服務(wù)系統(tǒng)messaging service system 消息服務(wù)系統(tǒng)Internet Messaging Access System 因特網(wǎng)消息接入系統(tǒng)VMS Voice Messaging System 語音報文發(fā)送系統(tǒng)european radio messaging system 歐洲無線發(fā)報系統(tǒng)Jxdya Messaging System Jxdya 消息傳送系統(tǒng)foreign messaging system 外部郵件系統(tǒng) 返回 messaging system