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communicationmobile移动通讯通讯系统 | 邮电通讯系统 2022-08-02 55 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
从20世纪20年代初步移动通讯技术得到了发展,20世纪40年代进入了建设共用移动通讯系统的时期。跟着移动通讯的无线传输、信道管理及移动交换等技术的发展老到,无绳电话、无线寻呼、陆地蜂窝移动通讯、卫星移动通讯等移动通讯系统相继发展起来。

(Since the initial development of mobile communication technology in the 1920s, the 1940s entered the period of building a shared mobile communication system. With the development of wireless transmission, channel management and mobile switching technologies in mobile communication, mobile communication systems such as cordless phones, wireless paging, land cellular mobile communication, and satellite mobile communication have developed one after another.)

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