贫血会导致心律失常——这是因为贫血时血液的供氧能力下降，作为代偿心脏不得不燃烧小宇宙，在单位时间内泵出更多的血，从而使心跳变快，或不规则。

Anemia can lead to a rapid or irregular heartbeat - an arrhythmia.Your heart must pump more blood to compensate for the lack of oxygen in the blood when you're anemic.

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贫血会导致心律失常——这是因为贫血时血液的供氧能力下降，作为代偿心脏不得不燃烧小宇宙，在单位时间内泵出更多的血，从而使心跳变快，或不规则。

Anemia can lead to a rapid or irregular heartbeat - an arrhythmia. Your heart must pump more blood to compensate for the lack of oxygen in the blood when you're anemic.

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采用霍尔传感器采集液压泵旋转产生的脉冲，结合单片机定时器的中断来精确计时，并对单位时间内的霍尔脉冲数进行统计。

Then, the interrupt of the single chip timer had been used to time precisely, and the Hall pulse number had been counted in unit time.

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