绘制电子突增事件与全球闪电的变化趋势，从而分析其相关性。-Plot the annual variation of PB events and globle lightning activities and find thire relationship.

绘制电子突增事件的全球分布情况，从而了解PB的分布特点。-Plot the globle distribution of PB events to understand its distribution characteristics.

读hdf属性 文件头 保存到txt文件 可以得到Dataset Attribute & Globle Attribute-Read hdf attribute header files can be saved to the txt Dataset Attribute & Globle Attribute