backward impedance

例句：

1. 1. The circuit designer needs toconsider the backward impedance of thecomponents in the design.
   电路设计师需要考虑设计中组件的后向阻抗。
2. 2. In a wirelesscommunication system, the backward impedanceaffects the signal strength.
   在无线通信系统中，后向阻抗影响信号强度。
3. 3. The engineers need to optimize the backward impedance of the transmission line to improve thesystem performance.
   工程师需要优化传输线的后向阻抗以改善系统性能。