The system structure is a multilayer system structure with five layers. They are user interactive layer, system program interface layer, mining core service layer, data access layer, database layer.
系统使用五层体系结构，分别为：用户交互层，系统编程接口层，挖掘核心服务层，数据库访问层，数据库。
The structure and method for creating a unified message system by using IP gateway, E-mail servers and database servers, in which core modules are analyzed in detail.
讨论了使用IP电话网关、邮件服务器以及数据库服务器构建一个统一消患系统的结构与方法，同时就其中的部分核心模块进行了详细的分析。
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