Peb txhua tus paub tias kev txhim kho ntawm cov ntawv ua hlau ua lag luam tau ua ntu zus los ua ntu zus, nrog kev ua haujlwm thev naus laus zis thiab kev siv tshuab ua haujlwm. Rau peb lub qhov rooj thiab lub qhov rais, tsis muaj peb lub thawv ntau yam thiab pib ntu tsis tas yuav muaj cov ntawv ua hlau ua. Yog li hauv kev coj ua, qhov twg ntawm cov kws tshaj lij yuav tsum mloog zoo, cia' s sib qhia lawv ua ke hnub no.
Them sai sai rau ib qho: khoov
Dabtsi yog khoov yog hais txog txheej txheem ntawm kev tsim cov haujlwm los ntawm lub tshuab khoov. Ib feem twg muaj qee lub kaum sab xis lossis radian. Yog hais tias lub kaum sab xis radian yog qhov tseeb, nws yuav tsis phim rau lwm qhov, uas yuav ua rau rov ua dua lossis pov tseg ntawm cov khoom. Txhua lub kaum tsis tuaj yeem tsis quav ntsej. Piv txwv li, qee yam khoom lag luam xav tau 90-degree lub kaum sab xis kom phim nws. Yog hais tias lub kaum sab xis loj dua lossis me dua thaum lub sijhawm khoov, nws yuav tsis ua haujlwm ntxiv. Qhov no yuav tsum muaj tseeb.
Ua tib zoo saib ob: qhov ntev thiab loj
Qhov ntev thiab nruab nrab ntawm cov ntu kuj tseem ceeb heev. Raws li cov lus hais mus, radish yog lub qhov, thiab tsuas yog haum yog qhov tseem ceeb tshaj plaws. Yog tias cov ntu loj thaum lub sijhawm ua, lawv yuav tsis haum, thiab yog tias lawv me me, lawv yuav tsis koom ua ke.
Xyuam saib rau peb: daim duab
Hauv seem no ntawm cov ntawv hlau ua kev cai txiav txim siab, duab zoo li tseem ceeb heev. Cov kws tshaj lij kev ua haujlwm lawv los ntawm cov duab kos muab los ntawm cov neeg siv khoom. Dab tsi ntawm cov duab kos qauv lawv yuav tsum tau ua raws li cov neeg siv' s tseev kom muaj. Txwv tsis pub, vim li cas nws hu ua kev kho kom haum? Yog li ntawd, tus kws tshaj lij yuav tsum tsis txhob ntxiv ntau ntawm lawv tus kheej kev xav. Yog tias lawv yuav tsum hloov qee yam, lawv yuav tsum sib txuas lus zoo nrog tus neeg yuav khoom ua ntej qhov kev hloov pauv, thiab tos kom txog thaum tus neeg siv khoom tau lees tias nws ua ntej tsim.
Cov txheej txheem ua tiav ntawm cov ntawv hlau ua cov ntu yog: kev sim ua ntej khoom, khoom lag luam sim tawm ntau lawm thiab cov khoom lag luam ntau lawm. Thaum lub sijhawm sim cov theem ntawm cov khoom lag luam, nws yog qhov yuav tsum muaj kev sib txuas lus nrog cov neeg siv khoom, thiab tom qab tau txais kev tshuaj xyuas kev coj ua, ua mus rau ntau lawm ntawm cov khoom. Tsuas yog 3 lub ntsiab lus saum toj no tuaj yeem raug suav tias yog qhov chaw tsim nyog thiab txheej txheem thev naus laus zis.