名词
中文翻译：脉搏持续时间计数器
同义词：
['heart rate monitor', "pulse oximeter例句：1. The doctor used a pulse duration counter to check his patient's heart rate.（医生使用脉搏持续时间计数器来检查患者的心率。）2. During the surgery", 'the surgeon monitored the pulse duration counter to ensure the proper functioning of the equipment.（在手术期间，外科医生通过监控脉搏持续时间计数器来确保设备的正确运行。）']
例句：
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1. The doctor used a pulse duration counter to check his patient's heart rate.
医生使用脉搏持续时间计数器来检查患者的心率。
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2. During the surgery, the surgeon monitored the pulse duration counter to ensure the proper functioning of the equipment.
在手术期间，外科医生通过监控脉搏持续时间计数器来确保设备的正确运行。
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3.The nurse kept a close eye on the pulse duration counter during the patient's recovery period.
护士在病人恢复期间密切观察脉搏持续时间计数器。