alternating current frequency characteristic
alternating current frequency characteristic
交流频率特性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Ac Alternating current (ac) is electric current that alternates between a positive maximum value and a negative maximum value at a characteristic frequency, usually 50 or 60 cycles per second (Hertz).
交流交流是指电流在正负最大值之间以特定的频率变动，通常频率为50或60赫兹。
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