此模式鼓励您分层（表示层、域层、数据访问层）处理应用程序。

This pattern encourages you to treat an application in layers -- presentation, domain, data access.

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你的API服务模式后，或域模型；暴露的方法和属性作为您的API层资源。

Model your API after a service, or domain model; expose methods and properties as resources of your API layer.

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然后以四级层序的体系域为单元，编制了10 张沉积平面相图，总结了研究区的沉积演化规律和沉积模式。

Then , using the system tract of four-rank as the unit, we have drawn 10 sediment ichnographies of this region, whose evolving laws and patterns of sediment have been summarized.

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