The short-term R-R variability measures included in this study were changes in heart rate with deep breathing and with the Valsalva maneuver.是什么意思_The short-term R-R variability measures included in this study were changes in heart rate with deep breathing and with the Valsalva maneuver.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句