specification curve

例句：

1. 1.The specification curve for this product is shown in the chart.
   该产品的规格曲线在图表中显示。
2. 2.The engineer used a specification curve to determine the optimal design parameters.
   工程师使用规格曲线来确定最优设计参数。
3. 3. The company's production process follows a specification curve that ensures consistent quality.
   公司的生产过程遵循一个规格曲线，以确保一致性的质量。