This system adopts J2EE as distributed development platform, implements the multi-tier architecture with separation of business logic and data.

该系统采用J2EE作为分布式开发平台，实现业务逻辑和业务数据相分离的多层体系结构。

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Object-Oriented Programming is used in the system and the advanced distributed multi-tier technical structure is applied. The system is friendly and easy to be extended.

本系统采用面向对象的方法，运用当前最新的多层分布式技术架构，界面友好，系统结构具有良好的开放性和延展性。

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