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
频
是呼吸频与
之比，低频和极低频可能与交感和副交感
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...
高频峰频是呼吸频与之比，低频和极低频可能与交感和副交感非可加性有关。
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