通过对这些参数的研究表明：在卸载的全过程中，颗粒间相对滑移出现，相互作用的颗粒数减少，系统内部结构产生不可恢复变形。
It was shown that at all stages of unloading, interparticle sliding occurred, the number of interparticle contacts reduced and irrecoverable deformation of the microstructure occurred.
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.
大多数电线一旦弯曲变形就恢复不了原状。
Once most wires are bent out of shape, they don't return to the original position.
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