内核通常具有某种类型的安全模式来管理对设备、文件、进程和对象的访问。
The kernel usually has some sort of security model that manages access to devices, files, processes, and objects.
数据对象包装器在应用程序代码中占很大的比例，这会大大分散开发人员对管理数据对象的业务逻辑的注意力。
Data object wrappers constitute a major part of an application code, in effect shifting a lot of the focus from the business logic to managing the data objects. Besides, this extra code translates to.
该托管bean公开一个高尔夫课程对象集合，然后对管理这些实例的操作做出响应。
This managed bean exposes a collection of golf course objects and then responds to actions for managing those instances.
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