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

{"sheet":"Sheet1","index":0,"n_rows":5,"n_cols":4,"rows_kept":5,"merged":[[0,0,0,3]]}
["调研设备清单（SCDY-2025-006）"]
["序号","设备名称","使用方向","备注"]
[1,"同视机","临床","接受进口，整机质保不少于三年"]
[2,"电脑焦度计","临床","接受进口，整机质保不少于三年"]
[3,"电脑验光仪","临床","接受进口，整机质保不少于三年"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}