无线寻呼和（欲称BP机），已经随着科技的进步和无线通讯事业的发展，而成为人们生活圈中不可前缺的一种通讯工具；它不仅为我们提供了联络信息的方便，而且配合普通电话、移动电话等通讯手段大大缩短了“地球村”居民之间的距离，为科技、经济、军事等诸多领域的发展立下了汗 Wireless paging and (to be called BP machines) have become indispensable communication tools for people’s lives along with advances in technology and the development of wireless communications. They not only provide us with convenient access to information, And with the ordinary telephone, mobile phones and other means of communication greatly shortened the “Global Village” residents of the distance between, for science and technology, economy, military and many other areas of the development of sweat