Layer 1: Operational systems layer.
层1：操作系统层。
Enterprise Resources and Operational Systems Layer.
企业资源和操作系统层。
Service components: Realize services, possibly by using one or more applications in the operational systems layer.
服务组件：实现服务，可能通过使用“可操作系统”层中的一个或多个应用程序来进行。
This layer USES various technologies to expose existing enterprise resources and operational systems so they could be used by business components.
这一层使用不同的技术暴露现有企业资源和操作系统，这样它们就可以被业务组件使用。
In Figure 2, you can see five main top-layer components, with the consumers being the system that needs a service provided by the referenced operational systems.
在图2中，您可以看到5个主要的顶层组件，消费者是需要引用操作系统提供服务的系统。
In Figure 2, you can see five main top-layer components, with the consumers being the system that needs a service provided by the referenced operational systems.
在图2中，您可以看到5个主要的顶层组件，消费者是需要引用操作系统提供服务的系统。
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