Think of a cellular network, and I'll bet you picture cellphone towers dotting the country, beaming signals into space.
想想蜂窝网络，我敢说你会想象到基站塔点缀这整个国家，向太空辐射着信号。
Think of a cellular network, and I'll bet you picture cellphone towers dotting the country, beaming signals into space.
想想蜂窝网络，我敢说你会想象到基站塔点缀这整个国家，向太空辐射着信号。
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