pulse counting

例句：

1. 1. Doctors usepulse counting to monitor patients' health.
   医生使用脉搏计数来监测患者的健康状况。
2. 2. Thepatient's pulse was weak and irregular.
   患者的脉搏弱且不规则。
3. 3. Pulse counting is animportant part of a doctor's examination.
   脉搏计数是医生检查中的一个重要部分。