1. Vdink sib tham sib whiteboard online sib tham sib qhia electronic whiteboard: Lecture hall (pab pawg neeg sib tham ntawm 150-300 tus neeg), raws li cov neeg siv nyiaj txiag, me me 100-nti thiab 110-nti lub rooj sib tham whiteboards yuav xaiv tau. Loj-loj 120-nti, 130-nti, 135-nti, 150-nti, 165-nti thiab 180-nti LED cov ntxaij vab tshaus tseem muaj.
2. Cov neeg ua haujlwm hauv chaw ua haujlwm, ib hom yog lub rooj sib tham ntxiv ntawm lub rooj sib tham hauv chav ua haujlwm, feem ntau yog 65 ntiv tes, 75 ntiv tes thiab 86 ntiv tes.Vdink sib tham sib whiteboard online sib tham sib tham hauv cov khoom siv hluav taws xob.
3. Thawj qeb yog lub rooj sib tham whiteboard nyob rau hauv chav tsev nyob, uas tuaj yeem ua ke nrog 86-nti, 98-nti, 100-nti, thiab 110-nti lub rooj sib tham whiteboards raws li qhov loj ntawm qhov chaw ua haujlwm ua haujlwm.Vdink sib tham sib whiteboard online sib tham sib tso saib electronic whiteboard.

2022.02.23