of;
Electronic;
and;
Information;
Engineering,;
Nanjing;
University;
of;
Information;
Science;
&;
Technology,;
Nanjing;
210044,;
China;
Meteorological;
Bureau;
in;
Shandong;
Province,;
Liaocheng;
252000,;
China;
Meteorological;
Bureau;
in;
Shandong;
Province,;
Weifang;
261200,;
China;
发生规律; 聊城; 原因; 防范; 雷暴日数; 雷雨; 防御措施; 观测记录;