所谓心率表，就是在运动过程中能够实时准确记录我们运动心率的手表，心率表在有目的性锻炼中的作用非常之明显。心跳跳动频率随运动量大小而变化，运动量越大心跳越快，透过监测心率观察便可带来运动事半功倍的效果。
心率表可以帮助您正确地变化运动强度。
A heart rate monitor can help you vary the intensity of your running appropriately.
许多跑步者在跑步时佩戴心率表，您呢？
Many runners wear heart rate monitors while they run. Should you?
心率表不是某些人主张的，必不可少的训练工具。
Heart rate monitors are not the essential training tools that some advocates make them out to be.
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