pulse visibility

例句：

1. 1.The doctor measured the patient's pulse visibility before administering the medication.
   医生在给药前测量了病人的脉搏可见度。
2. 2. The new technology improves the pulse visibility in low-light conditions.
   新技术提高了低光条件下的脉搏可见度。
3. 3. The team was able to increase the pulse visibility during the race by using a special device.
   团队通过使用特殊设备在比赛中提高了脉搏可见度。