even number pulse

例句：

1. 1.The even number pulse in the heart is responsible for the rhythm of our heartbeat.
   心脏中的偶数脉冲负责我们心跳的节奏。
2. 2.The even number pulse helps regulate blood flow to the brain.
   偶数脉冲有助于调节向大脑的血流。
3. 3.During exercise, the even number pulse can help improve blood circulation and reduce fatigue.
   在锻炼期间，偶数脉冲可以帮助改善血液循环，减轻疲劳。