综合计费帐务系统作为电信业务的支撑系统，在整个电信经营维护系统中占有十分重要的比重。
As being the supporting system of the telecom business, Integrated Billing and Account system has taken the very important ratio in the whole telecom operating support system.
综合计费帐务系统作为电信业务的支撑系统，在整个电信经营维护系统中占有十分重要的比重。
As being the supporting system of the telecom business, Integrated Billing and Account system has taken the very important ratio in the whole telecom operating support system.
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