名词
中文翻译：封闭轨道电路
同义词：
['closed circuit', 'closed loop', 'closed loop system例句：1. The closed track circuit is used to transmit signals over long distances.（封闭轨道电路用于在长距离上传输信号。）2. In this project', 'we need to design a closed track circuit for the robot.（在这个项目中，我们需要设计一个机器人的封闭轨道电路。）']
例句：
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1. The closed track circuit is used to transmit signals over long distances.
封闭轨道电路用于在长距离上传输信号。
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2. In this project, we need to design a closed track circuit for the robot.
在这个项目中，我们需要设计一个机器人的封闭轨道电路。
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3. The closed track circuit was designed to prevent interference from external sources.
这个封闭轨道电路被设计来防止外部干扰。