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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 ezine-dimensional zingohlulwa ikakhulu zibe ziintlobo ezipakishiweyo kunye nodidi lwematrix ngokwemigaqo yokhowudo eyahlukeneyo. Iikhowudi ezimbini eziqhelekileyo zibandakanya 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 oshishino 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.