circuit impedance

例句：

1. 1. The circuit impedance is measured to determine the efficiency of the power supply.
   电路阻抗被测量以确定电源的效率。
2. 2. The engineer found that the circuit impedance was too high for the device to function properly.
   工程师发现，电路阻抗太高，使得该设备无法正常工作。
3. 3. The design team adjusted the circuit impedance to improve the device's performance.
   设计团队调整了电路阻抗，以提高设备的性能。