名词
中文翻译：脉搏计
同义词：
['heart rate meter', 'blood pressure monitor']
例句：
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1.The doctor used a pulse tachometer to check her heart rate.
医生使用脉搏计检查了她的心率。
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2. During the exam, the student had to use a pulse tachometer to measure his blood pressure.
考试期间，学生必须使用脉搏计测量他的血压。
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3. The nurse monitored the patient's pulse tachometer readings during the surgery.
护士在手术期间监测患者的脉搏计读数。