名词
中文翻译：阴极返回回路
同义词：
['negative return path', 'cathode return path例句：1. The circuit board is designed to provide a stable signal flow.（电路板设计用来提供稳定的信号流动。）']
例句：
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1. The circuit board is designed to provide a stable signal flow.
电路板设计用来提供稳定的信号流动。
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2.The circuitry in the device is complex and requires careful testing.
该设备中的电路复杂，需要仔细测试。
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3. The circuit was designed to detect any unusual electrical activity.
这个电路被设计来检测任何不寻常的电活动。