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随着中国疾病预防控制中心信息化工作的深入开展,建设了众多的信息化系统,如协同办公系统、重大专项监测应用系统、IT运维网管系统等。每一个业务系统都对应一个特定的用户群体,所以服务系统都储存了自身的用户信息,包括认证信息(如用户id及口令)、授权信息和用户基本信息(如姓名、身份、所在机构、邮箱地址、联系电话等)[1]。对不同服务系统,用户信
With the further development of informatization in China CDC, a large number of informatization systems have been established, such as collaborative office system, major special monitoring application system and IT operation and maintenance network management system. Each business system corresponds to a specific user group, so the service system stores its own user information, including authentication information (such as user id and password), authorization information and basic user information (such as name, identity, organization, email address Address, contact number, etc.) [1]. Different service system, user letter