Results the ECG signals were acquired successfully and the heartbeat rate was calculated.
结果成功采集到心电信号，并计算了心率的大小。
When a whale dives, its metabolic rate drops, causing its heartbeat to slow down.
当鲸鱼潜水时，它的新陈代谢率下降，导致心跳减慢。
It was found that slow music could slow the heartbeat and the breathing rate as well as bring down blood pressure.
这些研究发现舒缓的音乐能够减缓心跳和呼吸频率，以及降低血压。
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