悬赏求翻译：高手帮我翻译一下，谢谢。

来源：百度知道 编辑：UC知道 时间：2024/05/17 07:14:48
它定义在用户网络接口上建立、维持和释放网络连接的过程及在此过程中所使用的各种消息。它是在N－ISDN用户网络接口DSS1协议Q.931基础上发展起来的，并根据 B－ISDN业务的特点，对Q.931进行了补充和改进。

It define connects in the customer network up build up, maintenance and release the network to connect of process with in this process use of various news.It pick up a people in the N － ISDN customer network DSS1 agreement Q.931 foundation up develop of, and according to the characteristics of the B － ISDN business, carried on the complement and improvements to the Q.931.