名词
中文翻译：扫频接收器
同义词：
['scanner', 'radio scanner例句：1. The sweep-frequency receiver was used to detect the location of a target.（扫频接收器被用来探测目标的位置。）']
例句：
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1. The sweep-frequency receiver was used to detect the location of a target.
扫频接收器被用来探测目标的位置。
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2.The sweep-frequency receiver was used in the military to track enemy aircraft.
扫频接收器在军事上被用来追踪敌方飞机。
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3. The sweep-frequency receiver is essential for monitoring communication signals.
扫频接收器对于监控通信信号至关重要。