名词
中文翻译：中继箱
同义词：
['transmitter', 'relay station例句：1. The relay box is used to transmit signals between two devices.（中继箱用于在两个设备之间传输信号。）']
例句：
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1. The relay box is used to transmit signals between two devices.
中继箱用于在两个设备之间传输信号。
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2.The relay box was designed to improve the reliability of the communication system.
中继箱的设计旨在提高通信系统的可靠性。
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3. The relay box was installed at the entrance of the building to ensure that all visitors could receive the announcements.
中继箱安装在大楼入口处，以确保所有访客都能听到公告。