Wireless data communications is featured with 2 general trends: low-speed mobile data WANs and high-speed WLANs.
无线数据通信具有两大发展趋势，即低速的广域移动数据网及高速的局域无线数据网。
Wireless data communications is featured with 2 general trends: low-speed mobile data WANs and high-speed WLANs.
无线数据通信具有两大发展趋势，即低速的广域移动数据网及高速的局域无线数据网。
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