1. Lub vijtsam loj loj, kov lub sijhawm ua haujlwm, kev sib tham hauv wireless, thiab kev sib tham video ntawm lub tshuab kov tag nrho-hauv-ib qho kev ua txhaum kev cai thiab muab cov neeg siv nrog kev txawj ntse thiab lub teeb chaw ua haujlwm ib puag ncig.Vdink hluav taws xob mobile whiteboard sib tham sib tham. electronic whiteboards
2. Lub tshuab kov txhua yam ua tau raws li qhov xav tau ntawm cov rooj sib tham me me thiab nruab nrab, daws teeb meem ntau yam, thiab ua rau cov teeb meem yooj yim dua, raws sijhawm, thiab sib tham sib.
3. Lub tshuab kov tag nrho-hauv-ib qho yog qhov ua tau zoo hauv kev teeb tsa, uas tuaj yeem ua tau raws li kev siv cov xwm txheej ntawm ntau lub rooj sib tham, chav hais lus, chav ua yeeb yam thiab chaw ua yeeb yam.

2022.05.23