The business logic tier enforces the rules of the business, such as calculations and workflow, that drive the application.

业务逻辑层实施业务规则(比如计算和工作流)，从而驱动应用程序。

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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。

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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。

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