Nowadays, it is common that some CATV users embezzle CATV signal illegally, delay paying for CATV maintenance management, and destroy CATV transmission network infrastructure intentionally.
当前，有线电视用户采用非法手段盗用有线电视信号、拖欠电视收视维护管理费甚至故意破坏有线电视传输网络设施等违章违法行为还比较普遍。
Subject this apply network analysis on "railway signal maintenance management information system"(RSMMIS), go on systematic modeling UML technology mainly.
本课题主要将UML技术应用于《电务检修所管理信息系统》的系统分析、进行系统建模。
Subject this apply network analysis on "railway signal maintenance management information system"(RSMMIS), go on systematic modeling UML technology mainly.
本课题主要将UML技术应用于《电务检修所管理信息系统》的系统分析、进行系统建模。
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