Supply chain management requires the management information systems to be constructed on the base of the distributed multi-tier architecture.
在供应链竞争的条件下，企业信息系统向分布式多层结构跨越已经成为一种必然趋势。
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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