iOS 核心服务层(Core Service Layer) ：核心 服务层提供应用程式基础系统服务。 核心作业系统层(Core OS Layer) ：核 心作业系统层 是与作业系统衔接的介 即 面 iOS ...
基于12个网页-相关网页
The system structure is a multilayer system structure with five layers. They are user interactive layer, system program interface layer, mining core service layer, data access layer, database layer.
系统使用五层体系结构，分别为：用户交互层，系统编程接口层，挖掘核心服务层，数据库访问层，数据库。
This layer contains the majority of business specific entities required for service implementation but missing in the core CIM.
该层包含了大量的实现服务所需但在核心CIM中找不到的那些与业务相关的实体。
Note that this final layer must always co-exists with the lower weaker and core CIM layers, but are connected through the service operations.
需注意的是该层必须与弱化cim和核心CIM层共存，而这两层又是通过服务操作连接起来。
应用推荐