completely elastic meaning in Chinese

离想弹性的
完善弹性的

Finally, it is important to note that the boundaries of the system are completely elastic .
最后，必须注意系统的边量是相对的。
Acquires radial stress attenuating formula of the spherical charge and cylindrical charge in completely elastic medium and the radial and axis stress attenuating formula of linear charge in the rock
获得了完全弹性介质条件下，球药包和条形药包径向应力衰减方程和矿岩介质条件下条形药包径向和端部轴向应力衰减方程。