The system adopts a 4-tier architecture, including representation layer, business facade layer, business rules layer, and data access layer.
系统采用了表示层、业务外观层、业务规则层、数据层的四层体系结构。
The facade pattern is a valuable tool for interacting with the business logic layer of a J2EE application.
facade模式是一个在与J2EE应用程序中的业务逻辑层进行交互很有用的工具。
The business layer USES a facade pattern to support coarse-grained message-based operations.
业务层用facade模式实现基于粗粒度消息的操作。
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