名词
中文翻译：双超外差接收机
同义词：
['superheterodyne receiver', 'double heterodyne receiver']
例句：
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1. This receiver is designed to receive signals from a wide range of frequencies.
这款接收机设计用来接收来自宽频率范围的信号。
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2. The double superheterodyne receiver is used in radar systems for precise target detection.
双超外差接收机用于雷达系统中，用于精确的目标探测。
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3.The receiver's sensitivity is improved by using a double superheterodyne technique.
通过使用双超外差技术，接收机的灵敏度得到了提高。