软件公司称，在这个呼吸频率下，用户可以增加他们心率的可变性来降低压力水平。
At this breathing rate, the company says the user can increase the variability of their heart rate to lower stress levels.
特别是在运动中心率增快的情况下，测量所得的动脉压力峰值实际上和接近心脏的压力峰值是不同的。
Especially during exercise with higher heart rates, the peak pressures that one measures arterially are actually different than the peak pressures near the heart.
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