lightning current steepness

例句：

1. 1.The lightning current steepness is a critical factor in determining the safety of power lines.
   雷电电流陡度是决定电力线路安全性的关键因素。
2. 2.The engineer used advanced techniques to measure the lightning current steepness.
   工程师使用了先进的技术来测量雷电电流陡度。
3. 3.The study found that the lightning current steepness was significantly higher during the storm.
   研究发现，暴风雨期间的雷电电流陡度显著更高。