名词
中文翻译：防护电路
同义词：
['protective circuit', 'guarded circuit']
例句：
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1.The new security system uses a guard circuit to prevent unauthorized access.
新的安全系统使用一个防护电路来防止未经授权的访问。
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2. The engineer designed the circuit with a guard circuit to protect against interference.
工程师设计了带有防护电路的电路，以保护免受干扰。
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3. The guard circuit was essential for maintaining the integrity of the communication network.
防护电路对于维护通信网络的完整性至关重要。