Ntev npaum li cas lub teeb pom kev los ntawm blackboard?
From the traditional private school-style education to the classroom-style teaching of learning in the West, from the lecture-style education with a blackboard and a box of chalk, to the interactive learning with one computer per hand and the connection, China's education industry has undergone tremendous changes. There is no doubt that information technology has played a very important role in it. Nowadays, the blackboards in the form of multimedia are used in the campus. You can use the slide projector to reflect the information on the blackboard, but the blackboard must be equipped with a blackboard light, so how far is the blackboard light from the blackboard? Next, our editor is as follows: Please introduce.
Tau kawg, txoj kev teeb tsa ntawm lub teeb blackboard tsuas yog ib txoj hauv kev yooj yim ntawm kev kho lub teeb lub teeb thiab txuas. Hauv cov txheej txheem ua haujlwm tiag tiag, kuj tseem muaj qhov teeb meem ntawm qhov tsis pom kev tuav ntawm cov xov hlau. Thaum xaiv cov xov hlau los txuas rau lub teeb pom kev dub, koj yuav tsum xaiv cov uas tuav tes, kom koj tuaj yeem pleev xim tib xim rau ntawm phab ntsa, thiaj li ua kom cov phab ntsa huv si thiab zoo nkauj tag nrho. Tau kawg, peb tseem tuaj yeem khawb qhov me me rau ntawm phab ntsa ua ntej txhawm rau ntxig cov xaim, kos cov xaim rau hauv phab ntsa, sau cov txiv qaub, thiab tom qab ntawd pleev xim rau tib xim raws li phab ntsa, kom nws zoo li sib haum xeeb. .
Feem ntau siv thiab kev lag luam tiaj tus sau ntawv huv si, muaj cov khoom zoo nkauj nkhaus uas tsis yooj yim rau kev cuam tshuam lub teeb, thiab tseem muaj thawb- rub blackboards rau electronic whiteboards thiab TVs. Push-rub cleanboards yog cov ntawv sau npe nrov tshaj plaws hauv xyoo tas los no. Nws yog siv nyob rau hauv cov chav kawm multimedia thiab yog cov khoom tseem ceeb ntawm cov kev kawm.
Lub installation qhov siab ntawm lub blackboard feem ntau yog hais txog 90 cm, uas yuav ua tau zoo -tuned raws li qhov siab ntawm cov tub ntxhais kawm. Khaws qhov siab ntawm chav kawm blackboard saum av yog hom kev qhia zoo tshaj plaws. Rau kev kawm noj qab haus huv ntawm cov tub ntxhais kawm, kev qhia noj qab haus huv thiab chav kawm noj qab haus huv yuav tsum tau nrov.
Cov saum toj no yog cov kev paub me me uas peb tau qhia rau koj txog kev teeb tsa lub teeb pom kev hauv lub tsev kawm ntawv. Kuv vam tias koj tuaj yeem xa mus rau nws, tab sis nws tsuas yog rau koj siv xwb. Yog tias koj ntsib kev phom sij zais hauv chav kawm blackboard teeb pom kev zoo, thov mus saib peb lub vev xaib kom pom ntau qhov Kev Paub ntawm cov chaw hauv tsev kawm ntawv nyob hauv nws.
