Your text Outlines a variety of wireless telecommunications media such as terrestrial microwave, communications satellites, cellular and PCS systems.
你的文字概述了各种无线通讯媒介，如地面微波，通信卫星，蜂窝和PCS系统。
With the theory getting more matured and completed, SDR technology has been widely used in cellular communication system as well as other civil and military wireless communication systems.
随着近年来软件无线电理论和应用趋于成熟与完善，软件无线电技术已经被越来越广泛地应用于蜂窝通信及各种军用和民用的无线通信系统中。
The major wireless phone companies have begun building out the next generation of cellular phone systems, called 4G, or fourth- generation , networks.
大无线电话公司已经开始构建被称为4G（第四代）网络的下一代手机系统。
The major wireless phone companies have begun building out the next generation of cellular phone systems, called 4G, or fourth- generation , networks.
大无线电话公司已经开始构建被称为4G（第四代）网络的下一代手机系统。
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