They dynamically switch their role from internal to external, and vice versa, in response to changes in the organizational control of resources and activities of consumption service.
它们动态地将其角色从内部切换到外部，或反之亦然，以响应使用服务的资源和活动的组织控制更改。
2
Mr Sterk is also developing the "brain" needed to control such a building based on information from internal and external sensors.
Service providers or businesses that publish Web services for internal or external use will need management functions to provision and control these services.