Raws li lub npe qhov txawv ntawm qhov dav thiab qhov dav yog qhov breadth yog qhov dav lossis ntsuas qhov dav lossis qhov dav npaum li cas thaum qhov dav yog lub xeev, tus yam ntxwv, lossis qhov xwm txheej ntawm kev ua. dav; qhov dav.
Puas dav kuj hu ua dav?
Txawm hais tias lo lus dav thiab dav yuav luag tib yam, muaj qhov sib txawv ntawm ob lo lus. Yog tias koj mus dhau ntawm phau ntawv txhais lus, koj yuav pom tias qhov dav hais txog qhov kev ncua deb ntawm ib sab mus rau ib sab ntawm ib yam. Tsis tas li, dav yog hais txog kev ntsuas lossis qhov twg ntawm qee yam ntawm sab mus rau sab
qhov txawv ntawm qhov dav thiab qhov tob yog dab tsi?
Ib txoj hauv kev tseem ceeb rau kev npaj thiab piav qhia txog kev kawm qib siab yog xav txog qhov dav thiab qhov tob ntawm kev kawm. Qhov dav ntawm kev kawm yog hais txog qhov dav ntawm kev paub ntawm ib qho kev kawm. Qhov tob ntawm kev kawm yog hais txog qhov twg cov ntsiab lus tshwj xeeb yog tsom rau, nthuav dav thiab tshawb nrhiav.
Puas dav tib yam li dav?
Ib yam dav los yog broad ntsuas qhov deb ntawm ib sab mus rau lwm qhov Koj hais tau ib yam li txoj kev los yog dej dav. … Thaum koj hais txog ib feem ntawm ib tug neeg lub cev, koj feem ntau siv dav es tsis yog 'dav'. Nws siab, nrog lub xub pwg dav.
qhov ntev qhov dav yog dab tsi?
Qhov txawv ntawm qhov ntev thiab qhov dav yog qhov ntev yog qhov ntev tshaj plaws ntawm cov khoom whereas dav yog sab luv. Piv txwv li, nyob rau hauv ib lub duab plaub nrog sab 4 cm thiab 9 cm, qhov dav ntsuas 4 cm whereas qhov ntev ntsuas 9 cm.
