Xov xwm
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Xim kub yog dab tsi?
Xim kub yog ib txoj kev ntsuas kub uas feem ntau siv hauv physics thiab astronomy. Lub tswv yim no yog ua raws li kev xav ntawm cov khoom dub uas, thaum rhuab mus rau qhov sib txawv, tso tawm ntau xim ntawm lub teeb thiab nws cov khoom tshwm nyob rau hauv ntau yam xim. Thaum cov hlau thaiv yog rhuab, kuv ...Nyeem ntxiv -
Vim li cas kev kuaj kev laus tseem ceeb heev rau cov teeb pom kev zoo?
Feem ntau ntawm cov teeb pom kev zoo, uas nyuam qhuav tsim, muaj cov haujlwm ua tiav ntawm nws cov qauv tsim thiab tuaj yeem siv ncaj qha rau hauv kev siv, tab sis vim li cas peb thiaj li yuav tsum tau ua qhov kev ntsuam xyuas kev laus? Kev ntsuam xyuas kev laus yog ib kauj ruam tseem ceeb hauv kev ua kom muaj kev ruaj ntseg thiab kev muaj peev xwm mus ntev ntawm cov khoom teeb pom kev zoo. Nyob rau hauv cov xwm txheej nyuaj sim ...Nyeem ntxiv
