regulating characteristic curve

例句：

1. 1. The regulator is designed to maintain aconstant flow rate throughout the system.
   调节器的设计是为了在整个系统中保持恒定的流量。
2. 2. The engineerused a regulating characteristic curve tooptimize the system performance.
   工程师使用调节特性曲线来优化系统性能。
3. 3. Theregulating characteristic curve wascrucial in determining the optimal operatingconditions for the device.
   调节特性曲线对于确定设备的最佳运行条件至关重要。