pulse distance system

例句：

1. 1. The pulse distance systemis used to monitor the patient'sheart rate and oxygen saturation levels.
   脉搏距离系统用于监测患者的心率和氧饱和度水平。
2. 2. The doctor used the pulsedistance system to check the patient'sblood pressure and oxygen levels.
   医生使用脉搏距离系统检查患者的血压和氧水平。
3. 3. Thenurse was using the pulse distance system tomonitor the patient's vital signs duringsurgery.
   护士正在使用脉搏距离系统在手术期间监测患者的生命体征。