名词中文翻译
中文翻译：不需要的信号
同义词：
['undesired signal', 'unwanted message']
例句：
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1. The company's new policy is to send unwanted signals to customers.
该公司的新政策是向客户发送不需要的信号。
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2. The engineer was instructed to send an unwanted signal to the control room.
工程师被指示向控制室发送一个不需要的信号。
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3. The receiver could not distinguish between the unwanted signal and the desired signal.
接收器无法区分不需要的信号和期望的信号。