求翻译：全面负责各重要业务应用系统（企业Portal、ERP、OA等）和生产自动化系统、生产核心数据库以及IT基础架构（数据中心、网络、语音、邮件、防病毒、灾备）的日常运维管理及二次开发或升级改造，保证各系统稳定运行，满足业务部门需求。是什么意思？

Overall responsibility for important business applications (Enterprise portal and erp in, oa, etc.) and production automation systems, the daily operation and maintenance of the production of the core database, and it infrastructure (data centers, network, voice, mail, anti-virus, disaster recovery)

Overall responsibility for all your business-critical application system (enterprise Portal ERP , OA , etc. ) and production automation system, the productive core database, as well as IT infrastructure (data center, network, voice, email, anti-virus, disaster prevention and preparedness) the day-to

Is responsible each important service application system (enterprise Portal, ERP, OA and so on) and the production automated system, the production core database as well as the IT foundation construction (data central, network, pronunciation, mail, anti-virus, disaster prepares) daily to transport U

Overall responsibility for all business-critical applications (such as Enterprise Portal, ERP, OA) and production automation systems, the core production database and IT infrastructure (data center, network, voice, messaging, antivirus, disaster) the daily operation and maintenance of secondary deve

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