将系统的总势能对相对剪切变形求一阶导数（等于零），得到了弹性岩石的平衡条件。
The first-order derivative equal to zero of total potential energy with respect to the relative shear deformation of shear band leads to the equilibrium condition of elastic rock.
基于梯度塑性理论，研究了应变软化阶段的刚度劣化对剪切带内部的局部应变及相对剪切位移的影响。
Distributed shear strain and displacement in localized shear band were investigated considering degraded stiffness in the strain-softening process based on gradient-dependent plasticity.
剪切博客让我们想起了Tumblr站点来，这是这是一个相对较小的用来分享网络上花边新闻的博客平台。
The clip blog reminds us a lot of Tumblr site, a scaled down blog platform for sharing tidbits from around the web.
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