requirement for safety component 为何需要安全控制器件
We therefore viewed the component architecture as a customer requirement.
因此我们将组件的体系结构视作用户需求。
Capturing this requirement is easy; we simply need to create an interface for the component and identify the two operations that it will support.
捕获这个要求很简单，我们只需要为该组件创建一个接口，并标识其将支持的两个操作即可。
A J2EE application component that defines a member requirement on an EJB module type of the component.
一个J2EE应用软件组件，它确定了对这个组件的EJB单元类型的成员需求。
应用推荐