Scientifically speaking, a reduced frequency of breathing means strong endurance and a good cardiopulmonary system. Many long-distance runners train with special equipment to reduce their breathing count.
以科學眼光來看，呼吸次數少的人心肺功能好、耐力強；很多長跑選手借重儀器訓練，以減少每分鐘呼吸數。