是指在进行有氧锻炼时每分钟心跳次数的范围,它能反应出锻炼者的运动强度,从而能从锻炼中获得最大的健康功效。
The number of heartbeats per minute reflecting the exercise intensity that gains the maximum training benefits from an aerobic workout.
在其他飞机试验任务期间,根据美国宇航局X - 15的飞行,飞行员的心率从145到185不等,每分钟心跳,远高于70至80个跳动到那个时候。
According to NASA, during X-15 flights, the pilots' heart rates ranged from 145 to 185 beats per minute, well above the 70 to 80 beats during test missions in other aircraft up to that time.
训练过程中,心跳超过每分钟200次;乳酸在肌肉里聚集到酸痛的程度;肺里脆弱的毛细血管都会破裂。
As they train, hearts race at over 200 beats a minute; lactic acid builds to stinging levels in muscles; fragile capillaries burst in the lungs.
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