在分析现有的研究生信息管理系统基础上，提出了基于角色管理的研究生信息管理系统建设方案。
Graduate management information system-building project is proposed by analyzing of existing graduate information management systems, which is based on roles management.
本文探讨了如何在现有的有线电视网络基础上逐步建设有线电视宽带综合业务网，并举例说明了开展CAT V宽带综合业务的步骤及方案。
This paper discusses the gradual process of building the CATV broadband integrated service network based on current CATV network, and illustrates its measure and solution.
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