Vdink hluav taws xob whiteboard tuaj yeem paub kev sau ntawv zoo los ntawm kev sau ntawv kov, thiab tib lub sijhawm dhau los ua ntau lub ntsiab lus infrared kov tshuab, hluav taws xob whiteboard txhawb ntau tus neeg los sau tib lub sijhawm. Nrog hluav taws xob whiteboard ua “kev pab qhia” hauv chav kawm, lub tshuab hluav taws xob hluav taws xob tuaj yeem tshem tawm cov plua plav tawm ntawm cov ntawv teev ntuj dub thiab paub cov kev qhia hloov pauv tau.

2022.01.19