Based on the unified creep model and the relevant creep equations, the creep properties of rock under step load is studied, and the corresponding creep parameters by fitting curves are obtained.

根据统一蠕变模型和该模型导出的蠕变方程，研究了分级加载条件下的岩石蠕变特性，并且通过曲线拟合得出了相应的蠕变参数。

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This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.

在电弧与熔池统一模型的基础上研究熔池上表面变形对电弧行为特征的影响。

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The unified symmetry and conserved quantity of the holonomic mechanical systems with remainder coordinates are studied.

研究有多余坐标完整系统的对称性与守恒量。

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