名词
中文翻译：外部谐波
同义词：
['external frequency', "external component例句：1. The device's performance is greatly affected by external harmonics.（该设备的性能受到外部谐波的严重影响。）"]
例句：
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1. The device's performance is greatly affected by external harmonics.
该设备的性能受到外部谐波的严重影响。
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2.The engineer analyzed the data to identify the external harmonics that could cause interference.
工程师分析数据以识别可能引起干扰的外部谐波。
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3. The company has developed a new filter to eliminate external harmonics from electrical signals.
该公司已开发了一种新的滤波器，用于从电气信号中消除外部谐波。