A J2C application runs in managed mode when the application server provides the connection factory.
当应用程序服务器提供连接工厂时，J2C应用程序就在受管模式下运行。
2
Neither a protocol nor a factory knows anything about the network the server runs on.
协议和工厂对服务器运行时所处的网络都一无所知。
3
After display screens are installed, each computer rides on a kind of racetrack along the ceiling of the factory, where it runs for several hours to make sure that all components work.