心率变异性(heart rate variability 简称hrv)能够最为客观和动态地
心率变异性(hrv, heart rate variability)可反映自主神经系统活性和
而这种心率的差异就叫做心率变异性(heart rate variability,缩写hrv)
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每次在时间上间隔的变化量(heart rate's variability)心脏不会跟节拍
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