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IKhowudi ye-2D, eyaziwa ngokuba yibhakhowudi ye-dimensional-dimensional, yindlela entsha yokufaka ikhowudi kunye nokugcina ulwazi lwedatha oluphuhliswe kwisiseko sebhakhowudi ene-dimensional. Iikhowudi ze-QR zinokubonisa ulwazi olwahlukeneyo olunje ngoonobumba baseTshayina, imifanekiso, iminwe kunye nezandi. Ngenxa yokufundwa komatshini owomeleleyo, ukuskena okulula kunye nokusetyenziswa, kunye nokugcinwa kolwazi oluthe kratya, iikhowudi ze-QR zisetyenziswa ngokubanzi kwindawo yokugcina iimpahla, ukuthengisa, ishishini lenkonzo, ukulawulwa kweziyobisi, ukugcinwa kolwazi lwe-reagent yebhayoloji, ukuqinisekiswa kwesazisi, ukuleyibheli kwemveliso, ukuthuthwa ngobuchule. isetyenziswa kakhulu kwintsimi yokhuseleko.

Iikhowudi ezinomacala amabini zingohlulwa ikakhulu zibe ziintlobo ezipakishweyo kunye nodidi lwematrix ngokwemigaqo yokhowudo olwahlukileyo. Iikhowudi ezimbini eziqhelekileyo ziquka ikhowudi ye-QR, i-PDF417, ikhowudi ye-DM, njl.

Ikhowudi yeQR
Ikhowudi ye-QR yikhowudi ye-matrix enamacala amabini enesantya esiphezulu, iimpawu zokufunda ezijikelezayo, kwaye ngoku yeyona isetyenziswa kakhulu. Ngokuqhelekileyo isetyenziselwa ukuhanjiswa kunye nokulawulwa kwemveliso ye-industrial automation. Kubomi bemihla ngemihla, iikhowudi ze-QR zikwasetyenziselwa iikhowudi zokukhwela ibhasi kunye ne-subway kunye namakhadi eshishini e-WeChat QR.

 

 

PDF417
I-PDF417 yikhowudi ye-QR egciniweyo, eyifayili yedatha ephathekayo enoxinano oluphezulu kunye nomxholo wolwazi oluphezulu, kwaye ulwazi olugciniweyo alukwazi ukubhalwa kwakhona. Ngenxa yomxholo omkhulu wolwazi kunye nemfihlo eyomeleleyo kunye neepropathi ezichasene ne-counterfeiting yale khowudi ye-dimensional, isetyenziswa kakhulu ekugqithiseni, iipaspoti kunye namanye amaxwebhu.

 

 

Ikhowudi yeDM
Ikhowudi ye-DM yikhowudi ye-matrix ene-dimensional, esebenzisa kuphela i-perimeter yokuchonga kwaye inokhuseleko oluphezulu, ngoko ke isetyenziswa rhoqo kwintsimi yokhuselo lwelizwe kunye nokhuseleko, iindawo zokumakisha i-aerospace, njl.

 

Njengoko izicelo zekhowudi ye-QR zisiya zithandwa ngakumbi, abashicileli kunye neeskena zekhowudi ye-QR zokuprinta iikhowudi zeQR nazo ziye zaba yimfuneko.