名词
中文翻译：重复的中继器
同义词：
['repeater', 'duplex relay']
例句：
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1. The engineer used a duplicate relay toconnect the two circuits.
工程师使用一个重复中继器连接两个电路。
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2. In telecommunications, a duplicate relayis used to repeat signals between two points.
在电信中，重复中继器用于在两点之间重复信号。
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3. The duplicate relaywas designed to prevent signal loss during long-distance transmission.
重复中继器被设计成防止长距离传输过程中的信号损失。