【医】 cardio-respiratory ratio
【医】 heart beat; ictus cordis
atman; breath; breathe; breathing; respiration; respire; wind
【化】 respiration
【医】 anapnea; breath; breathing; pneo-; pneuma-; pneumato-; pneumo-
pneusometer; R.; respiration; respire; spiro-
percentage; proportion; rate; ratio
【医】 proportion; ratio
【经】 rater.; ratio