{"text_format":"3","workbook":"xlsx","n_sheets":2,"sheets":["Sheet1","Sheet2"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":3,"n_cols":11,"rows_kept":3,"merged":[[0,0,0,10]]}
["工作面地面微震事件列表"]
["报表日期",{"$nulls":8},"事件数量"]
["序号","事件ID","发震时刻","东","北","深度","震级","能量","主频","震源性质","震源方向"]

{"sheet":"Sheet2","index":1,"n_rows":7,"n_cols":5,"rows_kept":7}
["区域"]
["日期"]
["事件数量"]
[]
["统计","E≤100J","100J<E≤1000J","1000J<E≤10000J","E>10000J"]
["数量"]
["占比"]