Xov Xwm Tuam Txhab
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Vim li cas thiaj xaiv lub siab refresh npaum li cas LED zaub?
Ua ntej ntawm tag nrho cov, peb yuav tsum to taub dab tsi yog "dej ripple" ntawm cov zaub? Nws lub npe scientific tseem hu ua: "Moore pattern". Thaum peb siv lub koob yees duab digital los tua qhov xwm txheej, yog tias muaj dej ntws tsawg, tsis muaj dej ntws ib yam li tshwm sim. Nov yog mo...Nyeem ntxiv