He believes in heart rate zone training, and I needed a watch that has this capability.

他认可心率区域训练法，因此我需要一块能够检测心率的手表。

youdao

For the 32-year-old, his aerobic heart rate zone would be 188 (max) x .70 = 132 and 188 x .80 = 150.

对于32岁的人来说，他的有氧跑步的心率区间为188（最大心率）x 0.70 = 132 到 188 x 0.80 = 150。

youdao

If your main goal is to train for an endurance event, say, a half marathon, you would be aiming to train at the 70 to 80% Max heart rate zone.

如果你的目标是参加耐力赛，比如半程马拉松，你就应该在70 - 80 %最大心率区间训练。

youdao

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