| 摘要 |
A processing method for an electronic expense certification includes steps of: displaying a 2D barcode on a mobile device, reading the 2D barcode by a first 2D barcode reader at a first time period to generate a first time data, reading the 2D barcode by a second 2D barcode reader at a second time period to generate a second time data, and generating an expense data according to the first and second time data.
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