扩展atlas，以提供扩展了基本atlas框架的架构机制(例如，持久性或安全性)的实现。
Atlas may be extended to provide alternate implementations of architectural mechanisms (such as persistence or security) that extend the base Atlas framework.
讨论了组件对象模型的接口内存结构、基本构成，COM库调用机制以及安全性机制等问题。
The memory structure and basic composition of interface, calling mechanism of com database and security mechanism are described.
讨论了构件对象模型(COM)的基本结构、接口规范、COM库的调用机制、安全性机制以及基本的OLE服务等问题。
The basic structure of COM, interface standard, calling mechanism of COM database, security mechanism and basic OLE service are described.
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