linear modulated stepped frequency signal
...ed Medium Frequency Sinusoidal Electrotherapy 调制中频正弦电疗法 linear modulated stepped frequency signal 调频步进信号 fully modulated radio frequency signal 全调制射频信号 ..
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linear modulated stepped frequency signal
线性调制阶跃频率信号
以上为机器翻译结果，长、整句建议使用 人工翻译 。