secondary impedance

例句：

1. 1.The electrical engineer calculated the secondary impedance of the circuit.
   电气工程师计算了电路的二次阻抗。
2. 2. In a power system, the secondary impedance affects the voltage distribution.
   在电力系统中，二次阻抗影响电压分布。
3. 3. The secondary impedance of the transmission line is critical for determining the maximum transmission capacity.
   输电线路的二次阻抗对于确定最大传输容量至关重要。