Under sadness, R- R interal mean and stress has significant positive correlation, and HRV high power and stress has significant negative correlation.
悲伤情绪下，R-R间期平均数与应激量呈显著负相关，HRV高频功率与应激量亦呈显著负相关；
Under sadness, R- R interal mean and stress has significant positive correlation, and HRV high power and stress has significant negative correlation.
悲伤情绪下，R-R间期平均数与应激量呈显著负相关，HRV高频功率与应激量亦呈显著负相关；
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