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In 1948, people living in remote areas could see TV programs by ______ in the Un
In 1948, people living in remote areas could see TV programs by ______ in the Un
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2024-06-13
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问题
In 1948, people living in remote areas could see TV programs by ______ in the United States. [br] Cable systems began tying to use ______ to capture the signals from distant stations in the early 1950s.
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答案
microwave transmitting and receiving towers
解析
本题涉及到在二十世纪五十年代早期的电缆系统的情况。该段首句提到,当时电缆系统开始尝试使用微波传输(microwave transmitting )和接收塔(receiving towers)来获取信号。
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