Jordan curve

例句：

1. 1. The Jordan curve is a significant geological feature in the region.
   约旦曲线是该地区的一个重要地质特征。
2. 2. The Jordan curve plays a crucial role in the formation of the Dead Sea.
   约旦曲线在死海的形成中起着至关重要的作用。
3. 3. The Jordan curve has been studied extensively by scientists for its potential applications in water purification.
   约旦曲线已被科学家广泛研究，以探索其在水处理方面的潜力。