在最佳超塑性条件下，断口中形成了大而深的空洞，晶界滑动和晶间断裂特征明显。

The deep and large cavities are formed on fracture surface and grain boundary sliding and intergranular fracture characteristic is obvious on the optimal superplastic deformation condition.

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这表明本文推导的计算公式是可行的，近似塑性条件对理论计算的挤压变形力具有显著的影响。

This indicates the formulas are feasible, and approximate plasticity conditions have the distinct effect on the value of extrusion force given by calculating formulas.

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换一个安静的环境可以缓解压力，有效降低皮质醇水平，并且为神经的可塑性创造更有利的条件。

Moving to a quieter place could help reduce stress, which in turn can reduce cortisol levels and create conditions conducive to neuroplasticity.

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