Kev saib xyuas thiab saib xyuas cov lus qhia rau pob zeb cov laug cam

Raws li cov khoom siv zoo nkauj, cov pob zeb hluav taws xob yog xav tau kev tsim kho kom zoo thiab ua kom muaj kev pabcuam zoo thiab ua kom muaj kev pab cuam zoo rau kev ua haujlwm zoo thiab ua kom muaj kev pabcuam siab rau kev ua haujlwm

Niaj Hnub Tu

Kev ntxuav txhua hnub yog yooj yim heev {{}}} pa taws kub, tab sis yaug nws kom huv si tom qab siv .

Kev tiv thaiv kev tiv thaiv

Txawm hais tias pob zeb pob zeb muaj cov tshuaj tiv thaiv zoo tshaj plaws, tom qab siv cov microscores ntev, nws yog li ntawd, nws raug rau txim rau cov microses los tiv thaiv cov av ntawm Rov qab tso .

Zam tsis txhob khawb ntawm cov khoom tawv

Txawm hais tias lub hardness ntawm pob zeb slab yog siab heev, nws yuav tsum tsis txhob siv cov pob zeb hnyav, koj yuav tsis txhob muab cov khoom siv hnyav lossis cov khoom siv ntse nyob rau hauv ib hnub ntawm pob zeb slab .

Kev kuaj xyuas ib txwm

Kev tshawb xyuas ib txwm muaj ntawm pob zeb slab kuj tseem yog ib qho teeb meem ntawm kev kho mob, koj yuav tsum tiv thaiv cov teeb meem los daws qhov teeb meem los ntawm kev cuam tshuam rau qhov teeb meem los ntawm kev tau txais qhov tsis zoo.

Ua raws li cov lus qhia yooj yim no tuaj yeem ua kom pom kev zoo nkauj thiab lub zog ntawm pob zeb slab thaum txo cov nqi kho tom qab thiab hloov {{}