The system is based on J2EE and makes the function in every tier more singular by layering the 3-tier architecture.
本系统遵循J2EE标准，并在3-层结构的基础上再一次解耦，使每层的功能更加单一化。
The system architecture is designed and constructed, the system overall function model, integrated platform architecture and 3 tier logic structure based on B/S mode are carried out.
提出并设计了系统的总体功能结构框架、集成平台结构以及基于B／S模式的三层逻辑结构。
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