impulse meter

例句：

1. 1. The engineer used an impulsemeter to measure the flow rate ofthe water.
   工程师使用一个冲动计来测量水流速率。
2. 2. The doctor advised the patientto use an impulse meterregularly to monitor their heart rate.
   医生建议病人定期使用冲动计来监测他们的心率。
3. 3. The scientist conducted experiments using an impulse meter to study the effectsof different stress levels on the body.
   科学家使用一个冲动计进行实验，以研究不同压力水平对人身体的影响。