Spreadsheet sheet 1, "Overall Chain", will help you to do that.
电子表格1，“Overall Chain”，将帮助您完成这个任务。
2
Sheet lightning lights up the whole sky. It has no special shape. Sheet lightning is actually the light from a chain lightning flash that occurs very far away.
片状闪电照亮整个天空。它没有什么特殊的形状。片状闪电实际上是发生在很远的地方的链状闪电的光。
3
Through the map of 3d process picture sheet model and the parameterization of 3d dimension chain model, a process model structure was constructed.