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汉语拼音：xīn lǜ

心脏搏动的频率，正常成年人在平静时心脏每分钟跳动70—75次。

心率 [心率@@@@@Heart Rate@@@@@：用来描述心动周期的专业术语，是指心脏每分钟跳动的次数，以第一声音为准。心率，现代汉语将心率解释为“心脏跳动的频率”。#####]

1. 心率@@@@@Heart Rate@@@@@：用来描述心动周期的专业术语，是指心脏每分钟跳动的次数，以第一声音为准。心率，现代汉语将心率解释为“心脏跳动的频率”。

• Heart rate variability has been used to assess activation of the sympathetic and the parasympathetic nervous systems.

  心率变异性已被用来评估激活交感神经和迷走神经系统。

• Keep increasing your intensity until you've reached this point. Note your heart rate and get ready to determine your training zones!

  继续提高您的强度，直至达到那一刻之时。记下您的心率，准备确定训练区域。

• He wants to tell her about the film he saw in health class about how the embryonic heart is too small to hear, even with amplification.

  他想跟她说一部他曾经在生理卫生课看过的一部影片，那是讲胎盘初期因为太过弱小，即使是借助扩音器也无法听到它的心率声。

• She said in people who meditate for hours increased heart rate variability is one of the characteristics of being in a highly relaxed state.

  她说那些花几个小时时间冥想来增加心率可变性的人当中就有这种高度轻松状态的特征。

• Many people, out of their desire to "whip" themselves into a state of fitness, try to exercise at their maximum heart rates.

  许多人希冀可以通过“鞭笞”自己让体形达到适宜的状态，他们总是做使心率最大化的运动。

• Results: Exercise duration, peak exercise load, and heart rate during exercise did not differ between the two groups.

  结果：两组患者的运动持续时间、运动最大负荷量及心率无差异。

• There was no significant correlation between HR variability and image quality of each coronary artery, nor overall segments.

  总体及各支冠状动脉图像质量与心率变异无显著相关性。

• Method: Is poisoned to a wormwood sends the heart rate abnormal patient to carry on the prompt anti-heart rate abnormal treatment.

  方法：对一支蒿中毒致心率失常患者进行及时的抗心率失常治疗。

• Any activity that raises the heart Tate and is maintained for at least 20 minutes is considered aerobic .

  任何提高心率并能维持20分钟以上的活动都被认为是有氧运动。