impedance diagram

例句：

1. 1. The engineer drew an impedance diagram to analyze the system's performance.
   工程师绘制了一个阻抗图来分析系统的性能。
2. 2. In electrical engineering, impedance diagrams are used to determine the efficiency of circuit components.
   在电气工程中，阻抗图用于确定电路组件的效率。
3. 3. The impedance diagram shows that the resistance is high at the point where the current is flowing.
   阻抗图显示，电流流经的点电阻很高。