此层的目的纯粹是提供为实现整合及控制功能所需的那些实体。

The purpose of this layer is purely to support entities required for the implementation of integration and control functionality.

youdao

控制器层负责实现服务的业务逻辑，具体通过调用其他服务、其他控制器或实体管理层实现。

The controller layer is responsible for implementing the business logic of the service, achieved by invoking other services, other controllers, or an entity management layer.

youdao

连结控制协定在实体层的上面，被用于建立、组态与测试资料连结的连线。

The LCP sits on top of the physical layer and is used to establish, configure, and test the data-link connection.

youdao