Yuav muaj pes tsawg degrees kub siab sim hluav taws xob rauv siv

Raws li cov khoom siv sib txawv, qhov kev sim ntsuas kub yuav tsum tsis yog tib yam. Thaum xaiv qhov kub-kub sim hluav taws xob rauv raws li qhov xav tau ntawm qhov kev sim ntsuas kub, nws nyob ntawm qhov ntsuas kub ntawm qhov ntsuas kub ntsuas hluav taws xob. Nws raug nquahu kom tsis txhob siv qhov txwv ntawm qhov ntsuas kub ntawm qhov kev sim hluav taws xob rau lub sijhawm ntev. kub.