microcreep

例句：

1. 1. The microcreep in the material is causing the deformation.
   材料中的微蠕变导致了变形。
2. 2. During the experiment, we observed the microcreep of the material under high pressure.
   实验中，我们观察到了材料在高压下的微蠕变现象。
3. 3. The microcreep model can predict the creep behavior of materials at a microscopic level.
   微蠕变模型可以预测材料的微观蠕变行为。