As the key part of business support system (BSS), account system plays an important role in income security of telecommunication carriers.
BSS帐务系统是电信业务支撑系统(BSS)的重要组成部分，是电信运营商收入保障关键环节。
As the key part of business support system (BSS), account system plays an important role in income security of telecommunication carriers.
BSS帐务系统是电信业务支撑系统(BSS)的重要组成部分，是电信运营商收入保障关键环节。
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