Objective To investigate the effect of lower body negative pressure (LBNP) in upright seated position on cerebral blood flow velocity,heart rate(HR),and blood oxygen saturation (SaO 2) in human.是什么意思_Objective To investigate the effect of lower body negative pressure (LBNP) in upright seated position on cerebral blood flow velocity,heart rate(HR),and blood oxygen saturation (SaO 2) in human.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句