... pumping power station 抽水蓄能电站 pumping signal 参数激励频率信号 pumping speed 抽水速度；泵送速度 ...
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研究了电激励信号的频率和电压对苹果、猕猴桃和梨电参数的影响。
The influence of frequency and voltage of electric excitation signal on electric parameters of apple, kiwi fruit and pear are studied in this paper.
同时，激励信号存在一个上界频率，当频率参数取值超过界值时，响应峰值迅速下降。
Meanwhile, there is an upper limit existing in frequency and the peak power of response will be greatly diminished only when the frequency exceeds its critical value.
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