名词
中文翻译：双超外差式
同义词：
['double heterodyne', 'double superheterodyne receiver']
例句：
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1. The double superheterodyne receiver is used in satellite communication systems.
双超外差式接收机用于卫星通信系统。
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2. The double superheterodyne receiver has a high sensitivity and candetect signals from far distances.
双超外差式接收机灵敏度高，可以远距离探测信号。
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3. The double superheterodyne receiver is widely used in radiobroadcasting and television transmission.
双超外差式接收机在无线电广播和电视传输中广泛应用。