elasticin弹性硬蛋白elasticadj.灵活的；有弹性的；可变的n.橡皮圈；有松紧的东西elastic stocking[医] 弹性袜elastic pipeline弹性流水线elastic cylinder弹性圆柱体elastic catheter[医] 弹性导管elastic networks弹性网elastic cohesion弹性结合elastic shifting弹性排班elastic fibrosis弹力纤维变性elastic equation弹性方程elastic analyses国际收支