• 弹性体

elasticallyadv.弹性地elasticadj.灵活的；有弹性的；可变的n.橡皮圈；有松紧的东西elastic mechanical part弹性构件elastic plasticanalysis弹塑性分析elastic expansion joint弹性膨胀接头elastico-viscous feuid弹黏性流体elastic compressing zone弹性区elastic sealing compound弹性密封料elastic general solution弹性通解elastic knitting garment弹性针织服装elastic flexure buckling弯曲屈曲elastic suspension strap弹力悬吊带

1. It is a fact that no structural material is perfectly elastic.
   事实上没有一种结构材料是十全十美的弹性体。
2. A body that recovers completely and resumes its original dimensions is said to be perfectly elastic.
   完全恢复并复原到原始尺寸的物体称为完全弹性体。