的业务模型层（Business model layer）和物理资源层（Physical resource layer）之间增加虚拟资源层（Virtual resource layer），用以存储服务簇。
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Business Layer meta model 业务层元模型
This layer effectively Bridges between the "ideal" business model and the existing enterprise IT assets - applications and business components.
这一层有效地嫁接了“理想”业务模型和现有企业IT资产——应用系统和业务组件。
The Semantic/logical services layer describes a general purpose business model that defines different kinds of business entities.
语义/逻辑服务层描述一个通用业务模型，该模型定义不同种类的业务实体。
Business process needs to be moved into the model layer.
业务处理需要转移到模型层中。
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