earth impedance

例句：

1. 1. The electrical engineer calculated the earth impedance of the circuit.
   电气工程师计算了电路的地阻抗。
2. 2.Due to the high ground impedance, the signal could not be transmitted effectively.
   由于地阻抗高，信号无法有效传输。
3. 3.In order to improve communication quality, it is necessary to reduce the ground impedance.
   为了提高通信质量，有必要降低地阻抗。