Blackboard teeb cia cov tub ntxhais kawm txaus siab rau lub neej zoo nkauj thiab zoo nkauj
Xyoo dhau los, ntau tus neeg' cov kws tshawb fawb ib txwm tau ntsib qhov xwm txheej zoo li no thaum lawv tab tom kawm, uas yog, tej zaum yuav muaj teeb pom kev tsaus ntuj hauv chav kawm, thiab qee zaum lawv txawm xav tias daim ntawv dub xav txog. Qee tus neeg' qhov muag tsis pom kev. Nyob rau hauv xyoo tas los, nws yog vim muaj tej yam kev mob phem uas ua rau qhov tshwm sim no. Tab sis lub neej niaj hnub no txawv, cov xwm txheej niaj hnub no zoo dua, yog li lub teeb pom kev zoo tiag tiag blackboard tshwm. Qhov tsim ntawm lub teeb zoo li no yog qhov tsim nyog, thiab cov nyhuv layout zoo dua, yog li tag nrho cov blackboard yog ci dua, thiab qhov ci ntawm tag nrho yog qhov zoo sib xws. Ua li no, thaum cov tub ntxhais kawm saib cov lus ntawm tus kws qhia ntawv lub blackboard, lawv xav tias lawv tuaj yeem tsim cov txiaj ntsig zoo. Kev pom kev pom, thiab nyob rau hauv ib txwm muaj xwm txheej, tsis muaj qhov tshwm sim glare.
blackboard teeb yog ib yam khoom siv high-tech. Raws li qhov xwm txheej tam sim no, hom khoom siv no tau coj txoj kev loj hlob zoo. Tom qab tag nrho, nws muaj ntau lub luag haujlwm thiab tuaj yeem ua tau raws li kev xav tau ntawm cov tub ntxhais kawm. Tsis tas li ntawd, thaum siv lub teeb zoo li no, cov tub ntxhais kawm yuav tsis cuam tshuam los ntawm qhov ci thaum lawv nyeem cov cim chalk ntawm cov ntawv dub, uas muaj kev tiv thaiv zoo rau lawv qhov muag. Tom qab tag nrho, muaj kev ua haujlwm glare ntawm hom teeb no.
Kuv yuav tsum hais tias cov kev kawm tam sim no rau cov menyuam kawm ntawv yeej zoo. Qhov tseem ceeb tshaj plaws yog qhov chaw nyob hauv chav kawm tau hloov pauv zoo heev, thiab lwm qhov tsis yog ua rau cov tub ntxhais kawm tsis pom kev qaug zog, thiab nws kuj ua rau cov tub ntxhais kawm zoo siab los saib ntawm daim ntawv dub. Niaj hnub no, ntau lub tsev kawm ntawv tau teeb tsa lub teeb dub, kom cov tub ntxhais kawm tuaj yeem muaj lub neej zoo nkauj thiab zoo nkauj
