The architect refines the system-level classes to design the business-layerinterface.
架构师对系统层类进行改进以设计业务层接口。
2
OPC Standard is selected as upper layerinterface in contrast with EPA Specification as bottom layerinterface in EPA Data Server based on OPC.
基于OPC标准的EPA数据服务器选择OPC标准作为上层接口,选择EPA规范作为底层接口。
3
This super-layer is to encapsulate components that are designed as RUP artifacts (as software services) within a formal, cross-layerinterface structure.