弹簧：一种有弹性的机器组件，能在承载时变形到预期的状态，卸载后又恢复到原状。
Spring: Elastic machine component able to deflect under load in a prescribed manner and to recover its initial shape when unloaded.
皮辊的橡胶弹性可以阐述为“橡胶在无永久变形的前提下重新恢复或获得初始的几何形状的能力”。
Re-silence property of a rubber cot can be explained in terms of "ability of a rubber cot to recover or regain its original geometry without any permanent deformation".
弹性变形是材料变形部分在去除载荷后可以恢复到原来的形状。
Elastic deformation is that part of the deformed material which when the applied load is removed would spring back to its normal shape.
根据弹性变形的可恢复特性，提出一种利用临时预应力钢束放松时产生的弹性恢复变形，来减小由于混凝土弹性压缩引起的预应力损失的方法。
In this paper, a method is given for reducing the prestress loss caused by elastic compression of concrete by using the recoverable property of elastic deformation.
主轴静刚度在卸载时要大于加载时，卸载时主轴系统弹性恢复迟滞，并且加载曲线与卸载曲线不封闭，卸载时主轴变形恢复不到起点，进而影响加工精度。
Spindle static stiffness unloading is more than that of loading. The elastic deformation of spindle system resumes stagnantly when unloading. So the loading curve and unloading curve are not closed.
其弹性球丸内充满液体，由于液体的相对不可压缩性和表面张力的作用，可促使弹性球丸受力变形后的迅速恢复。
The elastic ball is fully filled with liquid. When the said elastic ball is forced to deform, it can be quickly restored as the liquid has the relative incompressibility and surface tension.
其弹性球丸内充满液体，由于液体的相对不可压缩性和表面张力的作用，可促使弹性球丸受力变形后的迅速恢复。
The elastic ball is fully filled with liquid. When the said elastic ball is forced to deform, it can be quickly restored as the liquid has the relative incompressibility and surface tension.
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