下面是与分层模式相关的两个具体构件：初始团队结构和初始配置管理数据存储结构。
There were, however, two concrete artifacts associated with the layers pattern: the initial team structure, and the initial configuration management data-store structures.
JMS 层通过引入所谓的 JMS 构件的概念，从而封装了 JMS 提供者的具体实现。
The JMS layer encapsulates the concrete implementation of a JMS provider by introducing the concept of so called JMS artifacts.
规格参与者可以由许多具体的构件来实现，这些构件以一种可以实现契约并提供可靠服务质量的方式来提供服务。
The specification participant can be realized by many concrete components that provide the services in a manner that realizes the contract and provides acceptable qualities of service.
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