{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":4,"n_cols":6,"rows_kept":4,"merged":[[1,0,1,5],[2,1,2,3]],"flags":["formulas_cached_only"]}
["附件4："]
["  回  执  表"]
["企业名称",{"$nulls":3},"企业性质"]
["姓  名","电  话","邮  箱","职  务","企业所在地","备  注"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}