Carry on the introduction elucidation to applied present condition and the development foregrounds of variousterminal equipments communication agreement(rules invite) the next in order;
其次对各种终端设备通讯协议（规约）的应用现状以及发展前景进行介绍说明；
2
When the code sends you messages you see in the spare X terminal while browsing various pages, you get important feedback that facilitates and enhances your knowledge of the system.
Besides making the application flow, another major task in test automation is to validate various application data and messages on the terminal screen.