名词
中文翻译：外部电路
同义词：
['outside circuit', 'external connection']
例句：
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1.The new device has an external circuit that can be easily connected to other devices.
这款新设备有一个外部电路，可以轻松与其他设备连接。
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2.The engineer designed the circuit with an external connection for easy testing.
工程师设计了带有外部连接的电路，便于测试。
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3.The external circuit of the power supply is essential for maintaining the stability of the system.
电源的外部电路对于保持系统的稳定性至关重要。