spark distance

例句：

1. 1. The sparkgap between the two electrodes is crucialfor the electrical discharge process.
   两个电极之间的火花间隙对于电放电过程至关重要。
2. 2. Theignition distance of the fuel in aspark ignition engine is critical forefficient combustion.
   火花点火发动机中燃料的点燃距离对于高效燃烧至关重要。
3. 3. Inthe study of lightning, understanding the sparkdistance is essential to predicting the pathof lightning strikes.
   在研究闪电现象时，理解火花距离对于预测闪电路径至关重要。