reflection coefficient circle

例句：

1. 1. The reflection coefficient of the material is crucial for determining its performance.
   该材料的反射系数对于确定其性能至关重要。
2. 2. The engineer used a computer program to calculate the reflection coefficient circle.
   工程师使用计算机程序计算反射系数圆。
3. 3. The researcher found that the reflection coefficient circle had a significant impact on the device's performance.
   研究者发现反射系数圆对设备性能有重大影响。