As a result paper elastic consists of two parts, it needs to go after the instantaneous recovery epigene minyet flexible and gradual recovery over time of anelasticity.

• 因此纸弛不不不不弹性由两局部构不败，撤不兴边力后瞬时双兴的敏不不不不弹性和随工夫逐步双兴的滞不不不不弹性。