Cov roj hmab ntuj muaj qhov elasticity siab nyob rau hauv chav tsev kub, me ntsis yas, zoo mechanical zog, tsis tshua muaj hysteresis poob thiab tsis tshua muaj cua sov tsim thaum lub sij hawm ntau deformation, yog li nws muaj zoo flexural yooj thiab zoo hluav taws xob rwb thaiv tsev kev ua tau zoo vim cov roj hmab tsis-polar.
Peb RSS3 yog ib qho zoo tshaj plaws NR khoom.Yog tias koj xav tau NR, thov hu rau peb yam tsis muaj kev cuam tshuam.