名词短语
中文翻译：脉动电流轨道电路
同义词：
['pulsating current track', 'pulsating current circuit']
例句：
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1. The engineer designed a pulsating current track circuit to improve the efficiency of the power transmission system.
工程师设计了一个脉动电流轨道电路，以提高输电系统的效率。
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2. The pulsating current track circuit was used to detect the presence of underground cables.
脉动电流轨道电路被用来探测地下电缆的存在。
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3.The pulsating current track circuit was installed in the subway system to prevent electromagnetic interference.
脉动电流轨道电路安装在地铁系统中，以防止电磁干扰。