这一方法还有一个优点：放入接受器可以准确控制心脏跳动频率。
This method also has the advantage that the placement of the receiver allows the pacing of the heart to be very precisely controlled, says Dr Echt.
当用上全部诅咒的词语，然而频率使得心跳动得更强烈。
As with all curse words, however, frequency makes the heart grow harder.
小肌肉每分种约跳动100——150次——你自心跳频率的两倍。
The tiny muscle beats about 100-150 times per minute-twice the rate which your heart beats.
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