frog heart beat curve

例句：

1. 1.The frog heart beat curve is a crucial indicator of the animal's health.
   青蛙心脏跳动曲线是衡量动物健康状况的关键指标。
2. 2. The study revealed that the frog heart beat curve was significantly different from that of other species.
   研究发现，青蛙的心跳曲线与其它物种明显不同。
3. 3.The researcher used the frog heart beat curve to analyze the animal's behavior patterns.
   研究者利用青蛙心跳曲线来分析动物的行为模式。