The frequency of HF is determined by the ratio of respiratory frequency and heart rate.The results also indicated that nonadditivity of heart rate modulation by sympathetic an...
高频峰的频率是呼吸频率与心率之比，低频和极低频可能与交感和副交感神经调
心率的非可加性有关。
The frequency of HF is determined by the ratio of respiratory frequency and heart rate.The results also indicated that nonadditivity of heart rate modulation by sympathetic an...
高频峰的频率是呼吸频率与心率之比，低频和极低频可能与交感和副交感神经调心率的非可加性有关。
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，
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