名词
中文翻译：光电容积描记仪
同义词：
['photoelectric manometer', 'photoelastic recorder']
例句：
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1.The photoelectric plethysmograph was used to measure the heart rate during the test.
光电容积描记仪被用来测量测试期间的心率。
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2.The research used a photoelectric plethysmograph to study the effects of exercise on blood pressure.
该研究使用光电容积描记仪来研究运动对血压的影响。
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3.The photoelectric plethysmograph was used to monitor the patient's breathing during surgery.
光电容积描记仪被用来监测患者在手术期间的呼吸。