extremal curve

例句：

1. 1. The scientist found the extremal curve in the data to be a significant indicator of the system's stability.
   科学家在数据中发现的极限曲线是系统稳定性的一个显著指标。
2. 2. The engineer designed an extremal curve that minimized the energy consumption while maintaining optimal performance.
   工程师设计了一个极限曲线，在最小化能源消耗的同时保持了最优性能。
3. 3. In the study, the researchers used an extremal curve to analyze the impact of different factors onthe system's behavior.
   研究中，研究人员使用极限曲线来分析不同因素对系统行为的影响。