关于PDF417的百科

• PDF417造句怎么写

• Firstly,itcanbeobtained2-valuewatermarkimagebyPDF417codingtowatermarkinformationandchaoticsequencescrambling.PDF417codewasexaminedwithLS4804scanningspearandauto-updatedmoduledatawhenmaterialwasmovedoutandchecked.Meanwhile,anerrorcorrectioncodingandde...
• 2017-05-0415429